Type
Crossword
Description

A group that does not react Noble gas
What is lithium? Alkali Metal
A group that only reacts with Group 1 Halogen
The name for Group 2-6 Transition Metals
The element that reacts with hydrogen to make water Oxygen
An element that reacts with chlorine to make salt Sodium
Something that is put in swimming pools Chlorine
What is the name of MH4? Methane Gas
What is the most commonly found compound in the air Carbon Dioxide
what element is PB? Lead
What element is AU Gold
what is the name of the element ag? Silver
The atomic number of an atom is the number of ______ in the atom's nucleus Protons
What are the horizontal rows of the Periodic Table called? Periods
What are the vertical rows in the Periodic Table called? Groups
Elements in the Periodic Table are listed in order of their ________ Atomic Number
Which scientist invented the modern Periodic Table Dmitri Mendeleyev
What type of atom is in the Outer Shell Electron
What is located alongside protons in the nucleus Neutron
What element is He Helium

Periodic Table Vocabulary Crossword

Type
Crossword
Description

a substance that cannot be broken down into a simpler substance by ordinary chemical means element
the smallest unit of an element that has all of the properties of the element; basic building block of matter. atom
the number of protons and neutrons in the nucleus of one atom of the element. atomic mass
the number of protons contained in each nucleus of its atoms of the element. atomic number
a horizontal row (left to right) in the periodic table. period
a vertical column (up and down) on the periodic table. group
a chart that organizes information about all of the known elements according to their atomic number. periodic table
describes how likely an element is to form bonds with other elements. reactivity
an element or substance that conducts heat and electricity, is malleable and ductile and has low ionization energy and low electronegativity values. Metals metal
an element that does not conduct electricity or heat and is usually a gas at room temperature. Nonmetals are brittle, have high ionization energies and high electronegativity values. Nonmetals tend to gain electrons to form anions nonmetal
group 1 metals on the periodic table that contain 1 valence electron and lose their valence electrons the most easily, making them the most reactive metals. alkali metals
group 1 metals on the periodic table that contain 2 valence electrons and are the second most reactive metals. alkaline earth metals
group 3-­12 on the periodic table. They have varying valence electrons and do not follow the normal trends of the other metals. They form brightly colored compounds and ions in solution. transition metals
group 17 nonmetals on the periodic table that contain 7 valence electrons. They only need to gain 1 valence electron to have a stable octet. They gain valence electrons the most readily, making them the most reactive nonmetals. halogens
group 18 elements on the periodic table that contain 8 valence electrons (He has 2) and a full valence shell making them very stable and inert. noble gases
an element that has some properties of a metal and some properties of a nonmetal. The metalloids are found on the boron staircase, there are 7 metalloids: B, Si, Ge, As, Sb, Te, and Po. metalloid
elements and/or compounds that when put together are unable to react chemically. The noble gases (group 18) elements are inert because of a full valence shell. inert
the charge of an atoms nucleus resulting from its number of protons nuclear charge
the distance between the nucleus of an atom and it's outermost energy level atomic raduis
the attraction a nucleus has resulting from its number of protons electronegativity

Science vocabulary Crossword

Type
Crossword
Description

An element in group 1 of the periodic table. Alkali metal
An element in group 2 of the periodic table. Alkaline earth metal
The advrage mass of all the isotopes of an element. Atomic mass
The number of protons in the nucleus of an atom. Atomic number
Negatively charged particle that moves around the outside of and atom. Electron
A region of an atom in which electrons of the same energy are likely to be found. Energy level
Elements in the same vertical column of the periodic table. Group
An element found in group 17 of the periodic table. Halogen
The sum of protons and neutrons in the nucleus of an atom. Mass number
A class of elements characterized by physical properties. Metal
An element that has some characteristics of both metals and nonmetals. Metalloid
A small particle in the nucleus of the atom, with no electral charge. Neutron
An element in group 18 of the periodic table. Noble gas
An element that lacks most of the properties of a metal. Non-metal
A horizontal row of elements in the periodic table. Period
Positively charged particles that are found in the necleus of and atom. Proton
One of the elements in groups 3 through 12 of the periodic table. Transition metal

Chemistry Crossword Puzzle

Type
Crossword
Description

I AM A METAL THAT IS A LIQUID AT ROOM TEMPERATURE MERCURY
I AM USED TO BLOW UP BALLOONS HELIUM
ELEMENTS ARE LISTED ON THE PERIODIC TABLE IN ORDER OF _______ ATOMIC NUMBER INCREASING
ELEMENTS THAT HAVE BOTH PROPERTIES OF METALS AND NONMETALS ARE CALLED _____ METALLOIDS
I HAVE 26 PROTONS IRON
I AM A METALLOID USED IN COMPUTER CHIPS SILICON
WHAT IS THE TERM THAT REFERS TO THE REPEATING PATTERNS OF CHEMICAL ACTIVITY ON THE PERIODIC TABLE PERIODIC
I AM SOMETIMES USED AS A POISON ARSENIC
ELEMENTS SUCH AS HYDROGEN, NITROGEN, AND OXYGEN ARE CALLED ______ DIATOMIC
THE SCIENTIST THAT ARRANGED THE FIRST PERIODIC TABLE MENDELEEV
I AM THE ONLY ELEMENT IN THE HALIDE FAMILY THAT IS A LIQUID BROMINE
THE FIRST COLUMN OF ELEMENTS IS NAMED ALKALIMETALS
I AM THE MOST ELECTRO NEGATIVE ELEMENT ON THE PERIODIC TABLE FLUORINE
I HAVE THE CAPACITY TO KILL SUPERMAN KRYPTON
I AM NOT REALLY A ALKALI METAL BUT SENSE I HAVE ONLY 1 ELECTRON I BEHAVE LIKE THEM HYDROGEN
MY ATOMIC NUMBER IS 79 GOLD
I AM A METAL WITH 28 ELECTRONS NICKEL
I AM A SILVERY WHITE METAL USED TO MAKE SALT SODIUM
I AM A GAS WITH 8 PROTONS AND 8 NEUTRONS OXYGEN
THE SCIENTIST WHO CAME UP WITH ATOMIC THEORY DALTON
I HAVE 92 PROTONS AND WAS USED IN MAKING THE ATOMIC BOMB URANIUM
THE VERTICAL COLUMS ON THE PERIODIC TABLE ARE CALLED GROUPS
ELEMENTS TO THE LEFT OF THE STAIR STEP LINE ON THE PERIODIC TABLE ARE CALLED METALS
THE VERTICAL COLUMNS ON THE PERIODIC TABLE ARE GROUPS
I HAVE 92 PROTONS AND WAS USED IN MAKING THE ATOMIC BOMB URANIUM

Atomic Structure and the Periodic Table Crossword

Type
Crossword
Description

The "outer energy shell" of and atom valence
Electrons are "shared" in this type of bond. covalent
Electrons are "stolen" in this type of bond. Ionic
The smallest unit of matter with all the properties of that substance. atom
This matches the number of protons in an atom. atomicnumber
A neutron has a ___________________ charge. neutral
"Like" electric charges ____________________ each other. repel
A combination of one or more atoms. molecule
The location around the nucleus where electrons orbit. electroncloud
A charged particle. ion
A "Family" of elements that do not typically react with other elements. Noblegases
The "Family" of elements that are very reactive. halogens
Characteristics that are measurable or observable are called physical _____________. properties
Subtract the atomic number from the atomic mass to find the number of _________________. neutrons
Electrons have a ______________________ charge. negative
Protons have a _________________________ charge. positive
An abreviated way to name an element. Chemicalsymbol
Other than hydrogen and helium, the number of electrons needed to fill the valence shell. eight
The center of an atom where the protons and neutrons are located. nucleus
An element that can have a variable number of neutrons in its nucleus. isotope
Atoms with full outer energy shells are known to be _______________. stable
A group of elements with similar properties are known as a _________________. family
Reactivity is a ______________________ property. chemical
The elements are organized into this grid. periodictable
When elements react they form new _____________________. substances
This element is found in all organic matter and has four valence electrons. carbon
NaCl is the ___________________________ for salt. chemicalformula
Each ___________________ on the periodic table represents the number of valence electrons in an element. column
Each __________ on the Periodic Table represents the number of "energy levels" an element has. row
The "electronic connections" between elements in a molecule. bonds

Periodic Table Puzzle Crossword

Type
Crossword
Description

What are positively charged particles of the atom? protons
What are negatively charged particles of an atom? electrons
What particle of anatom has no charge? neutrons
Where are protons found? nucleus
Where are electrons found? electron clouds
An _______ is an atom that has the same number of protons but a different number of neutrons as other atoms of the same element. isotope
The ____ ______ is the total number of protons and neutrons. mass number
What detrmines the identity of an atom? atomic number
What is an average of the masses of all naturally occuring isotopes of an element? Atomic mass
The electrons in the outermost energy level of an atom are called _______ _________. valence electrons
Alkali Metals only have ___ valence electron? one
Valence electrons determine the _____ of which an element si placed. group
Lithium is a? alkali metal
Is Flourine a metal or nonmetal? nonmetal
A ______ loses an electron and becomes positively charged. cation
A _____ gains an electron and becomes negatively charged. anion
A row of elements is called a ______. period
What are charged particles that form during chemical changes? ions
What is it called when 2 atoms of nonmetals bond? covalent bonding
What is it called when a metal reacts with a nonmetal? ionic compounds

Periodic Table Basics Crossword

Type
Crossword
Description

Who created the Periodic Table? Mendeleev
What is another name for rows? Periods
What are the horizontal lines called? Rows
What are the vertical lines called? Columns
What is another word for columns? Groups
What is oxygen? Element
What is column 18? Noble Gases
What is column 17? Halogens
What is column 1? Alkali metals
What is column 2? alkaline earth metals
Columns 3-12 are what kinda of metals? transition
What kind of element is Helium? Gas
AU is what for Gold? Symbol
The amount of protons is equal to the what? Atomic number
Weighted average of mass of an element? atomic mass
What is hydrogen? nonmetal
What element has the symbol S? Sulfur
What element has the atomic mass of 1.008? hydrogen
How many protons does boron have? five
All elements have protons neutrons and what? electrons

Periodic Table Vocabulary Crossword

Type
Crossword
Description

A row of elements Period
vertical column of elements in the periodic table Group
The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the element Periodic Law
Describes something that occurs or repeats at regular intervals Periodic
One of the elements of Group 1of the periodic table Alkali metal
One of the elements of Group 2 of the periodic table alkaline-earth metal
One of the elements of group 17 of the periodic table halogen
One of the elements of Group 18 of the periodic table noble gas
Elements in the first row follow lanthanum lanthanides
Groups 3-12 do not have individual names. Instead, all of these groups are called_____ transition metals
Elements in the second row follow actinium are called____ actinides
a yellowish green gas Chlorine
a dark red liquid Bromine
a dark gray solid Iodine
gas at room temperature nitrogen
a transition metal that is not very reactive titanium
Used in thermometers Mercury
is shiny, but it is brittle and can easily be smashed into a powder tellurium
a russian chemist who discovered a pattern to the elements in 1869 Dmitri Mendeleev
makes up 20% of air oxygen

Chapter 10 science vocabulary Crossword

Type
Crossword
Description

Smallest unit of an element Atom
Number of protons in the nucleus of an atom Atomic number
Average of atomic masses of naturally occurring isotopes that make an element Average atomic mass
The ease of which an element reacts to another element Chemical activity
Negatively charged particle that moves inside the nucleus of an atom Electron
Area around the nucleus occupied by electrins Electron cloud
A vertical column in the periodic table Groups
Elements that are in a group of 17 in the periodic table Halogen family
Atoms of the same element with different numbers of neutrons Isotopes
The sum of protons and neutrons in an atom Mass number
Has properties of metals and non-metals Metalloids
Elects whose atoms commonly have three or fewer electrons in out energy level Metals
A particle with no charge Neutron
Element in a group of 18 on the periodic table Noble gas family
Element with 5 or more electrons in out energy level Nonmetals
The center of an atom containing neutrons and protons Nucleus
Arrangement of the chemical elements in rows according to atomic numbers Periodic table
The horizontal rows of the periodic table Periods
A positively charged particle in the nucleus of an atom Proton
The elements in groups of 3 through 12 on the periodic table Transition elements

Periodic Table Crossword Puzzle

Type
Crossword
Description

the smallest particle of an element atom
the center of an atom nucleus
a positively changed particle in the nucleus of an atom proton
a neutral particle in the nucleus of an atom neutron
a negatively changed particle electron
an electron in the outermost energy level of an atom valance electron
the properties of elements tent to repeat in a regular an pattern periodic law
a horizontal row of elements period
another word for family group
a quantity equal to one 1/12 the mass of a carbon atomic mass unit
the number of protons in the nucleus of an atom atomic mass
the element that are usually poor conductors non-metal
the element that are good conductors of heat and electricity metal
an element that has properties of both a metal and non-metal metaloid
any atom that have the same number of protons but a different number of neutrons isotopes
another word for atomic mass unit amu

Periodic Table And Atoms Crossword

Type
Crossword
Description

A particle with a single negative charge Electron
The positively charged central part of an atom Nucleus
A positively charged particles that make up a nucleus Protons
A nuetral particle in the nucleus of an atom Neutron
The electrons in the outermost energy level of Niels Bohr's model of an atom Valance Electrons
An area around an atomic nucleus where an electron is most likely to be found Electron Cloud
Pure substances that cannot be broken down into any simpler substances Elements
The number of protons in an atom of an element Atomic Number
Atoms of the same element that have different numbers of neutrons Isotopes
The sum of the number of protons and neutrons in an atom Mass Number
The average mass of an element's isotopes Average Atomic Mass
A chart of elements arranged into rows and columns based on their chemical and physical properties Periodic Table
Vertical columns on the periodic table Groups
Horizontal rows on a Periodic Table Periods
A group located on the left side of the Periodic Table that is a good conductor and shine when polished Metals
Another group located on the right side of the Periodic Table that are insulators and are not shiny Nonmetals
An object that has low electrical resistance and can allow electricity to flow easily Conductors
An object that has higher electrical resistance and prevents electricity easily through a material Insulator
Elements in the middle of the Periodic Table and are semiconductors.They also have properties that are similar to both metals and nonmetals Metalloids
A substance that is made of two or more elements chemically joined in a specific combination Compound
An atom no longer neutrally charged because it has lost electrons Ion
An attraction that holds ions close together Ionic Bond
A bond formed when two atoms share valence electrons Covalent Bond
A chemical reaction that releases heat of light energy Exothermic Reaction
Chemical Reactions that absorb energy Endothermic Reaction
The speed at which a reaction occurs Rate Of Reaction
A substance that speeds up chemical reactions Catalyst