Type
Crossword
Description

The smallest unit of an element that maintains the properties of that element. Atom
A subatomic particle that has no change and that is found in the nucleus of an atom. neutron
A region around the nucleus of an atom whose electrons are likely to be found. electron cloud
A unit of mass that describes the mass of an atom or molecule. atomic mass unit
An atom's central region, which is made up of protons and neutrons. nucleus
An atom that has the same number of protons/atomic number as other atoms of the same element do but that has a different number of neutrons/atomic mass. isotope
The mass of an atomn expressed in atomic mass units. atomic mass
A subatomic particle that has a positive charge and that is found in the nucleus of an atom. proton
A subatomic particle that has a negative charge. electron
The sum of the number of protons and neutrons in the nucleus of an atom. mass number
The number of protons in the nucleus of an atom; the atom's number is the same for all atoms of an element. atomic number
Plays in radioactive atoms that changes a neutron to a proton or electron. weak force
A type of physical that occurs between electrically charged particles. electromagnetic force
The force that holds particles together in the atomic nucleus. strong force
A force that attracts any objects with mass. gravitational force

Atoms and elements Cross word

Type
Crossword
Description

The negatively charged particle in the electron cloud. Electron
A particle in the nucleus that is positively charged Proton
A particle in the nucleus with a neutral, or no charge Neutron
A tiny, dense positively charged region in the center of an Atom Nucleus
Particles, like protons, neutrons, and electrons that are smaller than atoms Subatomic particles
Regions inside the Atom where electrons are likely to be found. This model developed by Schrodinger, is called Quantum Theory Electron Cloud
The number of protons in an element Atomic Number
The average of the masses the neutrally occurring isotopes in element Atomic mass
The arrangement of elements on a table based on their atomic number Periodic table
A column on the periodic table, also called a family containing elements with the same number of Valence electrons Chemical group
one of a hundred or so pure substances that cannot be broken down into simpler substances Element

atoms Crossword

Type
Crossword
Description

the smallest component of an element atom
Dense, positively charged mass at the center of an atom. nucleus
Positively charged subatomic particle found in the nucleus. proton
Neutral subatomic particle found in the nucleus. neutron
Negatively charged subatomic particle found outside the nucleus. electron
The sum of the protons and neutrons in the nucleus of an atom. mass number
This number identifies the element and is equal to the number of protons found in the nucleus. atomic number
An atom with a charge (unequal number of protons and electrons) ion
Versions of the same element with different numbers of neutrons. isotopes
The possible energies that an electron in an atom can have. energy levels
The weighted average mass of all of an element's isotopes' mass numbers (usually a decimal). atomic weight
A visual model showing the most likely locations for the electrons in an atom. electron cloud
The arrangement of electrons around the nucleus of an atom. electron configuration
When all of the electrons in an atom have their lowest possible energies. ground state
the property of a body that causes it to have weight mass
the property of something that is great in magnitude volume
a stable particle with positive charge proton
an elementary particle with negative charge electron
of or relating to constituents of the atom or forces within the atom subatomic
(nontechnical usage) a tiny piece of anything particle

8th Grade Science Crossword

Type
Crossword
Description

Number of protons in the nucleus of an atom atomic number
A stable subatomic particle electron
A cloudlike group of electrons electroncloud
A substance consisting of atoms which all have the same number of protons element
The time required for a quantity to reduce to half its initial value halflife
Any one of various forms in which the atoms of a chemical element can occur isotope
The total number of protons and neutrons in a nucleus massnumber
A subatomic particle of about the same mass as a proton but without an electric charge neutron
A very small particle of matter that is part of the nucleus of an atom and that has a positive electrical charge Proton
A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity metal
An element or substance that is not a metal nonmetal
A nonmetal that can combine with a metal to form an alloy metalloid
The smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule atom

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

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 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

Basic Chemistry Crossword

Type
Crossword
Description

The study of matter chemistry
Occupies space and has mass Matter
Solid, liquid, gas State of matter
Pure substances consisting of only one kind of atom in each molecule. Element
Pure substances consisting of two or more atoms in each molecule Compound
Chart of elements organized according to their atomic structure Periodic table
The part of the atom containing the protons and neutrons Nucleus
Positive particle of an atom. The number of these determines what kind of element it is Proton
Neutrally charged particle found in the nucleus and has mass Neutron
Negatively charged particle outside the nucleus Electron
Donated electrons form charged particles called ions to stick together Ionic bond
Shared electrons hold atoms together. Covalent bond
A distinct group of atoms bonded together Molecule
The smallest unit of an element Atom
Shows how atoms in a molecule are located and connected Structural formula
Show the number and type of atoms in a molecule Chemical formula
The ability to do work Energy
A protein molecule or organic molecule used as a catalyst Enzyme
Substances that affect the rate of a reaction but are not changed themselves. Also may start or stop a reaction from occurring. Catalyst
The metric unit used to weigh of a bar of gold kilogram
Substances that enable enzymes to work properly. Coenzyme
Small amount of liquid chemicals would be measured using this metric unit. Milliliter

Science Chapter 11 Vocab Crossword

Type
Crossword
Description

The smallest unit of an element that maintauns the properties of that element. Atom
A subatomic particle that has a negative charge. Electron
In physical science, an atom's central region, which is made up of protons and neutrons. Nucleus
A region around the nucleus of an atom where electrons are likley to be found. Electron cloud
A subatomic particle that has a positive charge and that is found in the nucleus of an atom. Proton
A unit of mass that describes the mass of an atom or molecule. Atomic mass unit
A subatomic particle that has no charge and that is found in the nucleus of an atom. Neutron
The number of protons in the nucleus of an atom; this is the same for all atoms of an element. Atomic number
An atom that has the same number of protons (or the same atomic number) as other atoms of the same element do but that has a different number of neutrons (and thus a different atomic mass). Isotope
The sum of the numbers of protons and neutrons in the nucleus of an atom. Mass number
The mass of an atom expressed in _______________ units Atomic mass
A force of attraction between objects that is due to their masses. Gravitational force
A type of physical interaction that occurs between electrically charged particles Electromagnetic force
Binds quarks together in clusters to make more-familiar subatomic particles, such as protons and neutrons. It also holds together the atomic nucleus and underlies interactions between all particles containing quarks. Strong force
one of the four known fundamental interactions of nature, alongside the strong interaction, electromagnetism, and gravitation. The ______ interaction is responsible for radioactive decay, which plays an essential role in nuclear fission. Weak force

Intro to Chemistry Crossword

Type
Crossword
Description

Creator of the Periodic Table Dmitrimendeleev
When two or more compounds are joined together. mixture
Diagram of Elements Periodictable
Rows on the Periodic Table period
Number of Protons in an Element Atomicnumber
Chemistry that relates to non carbon compounds. inorganicchemistry
A substance with just one type of atom. element
The place where Protons and Neutrons are housed nucleus
Group 18. These elements do not mix well with others. nobelgases
How quick it is to join up with other elements. reactive
A type of mixture that you cannot pick apart. A solution. Homogeneous
A type of mixture that you can pick apart. Heterogeneous
A negatively charged particle. electron
Element with 2 protons. helium
positively charged particle. proton.
A type of chemistry that involves carbon based life forms. Organicchemistry
A particle that has no charge. Neutron
When two elements bond together. Compound
Electrons are located around the nucleus in an electron what? cloud
The point at which a solid turns to a liquid. meltingpoint
Point at which a liquid is turned into a gas. boilingpoint
Same number of protons different number of neutrons. isotope
Al things that have mass and volume. matter
The lightest element known hydrogen

Atomic Theory History and Vocab. Review Crossword

Type
Crossword
Description

Who created the Atomic Theory in 1803? Dalton
Who created a model of atoms that includes electrons orbiting a small nucleus in 1913? Bohr
Who used to cathode ray tube to discover the presence of electrons in 1898? Thomson
Who performed the gold foil experiment in 1909, which lead to the conclusion that atoms are mostly empty space? Rutherford
A unit of matter, the smallest unit of an element, having all the characteristics of that element. Atom
The positively charged central region of an atom, composed of protons and neutrons and containing almost all of the mass of the atom. Nucleus
A subatomic particle with a positive electrical charge, forming part of the nucleus of an atom. Proton
A subatomic particle with a neutral electrical charge, forming part of the nucleus of an atom. Neutron
A subatomic particle with a negative electrical charge, found outside the nucleus of an atom. Electron
The number of protons in the nucleus of an atom of an element. Atomic Number
An abundance-weighted average of the masses of all the isotopes of an element. average atomic mass
The total number of protons and neutrons in the nucleus of an atom. mass number
Any of the several different forms of an element each having different mass numbers. Isotope