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Electron,
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ELEMENTS & COMPOUNDS Word Search

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Word Search
Description

SHELLS
MASSNUMBER
ATOMICNUMBER
SUBATOMICPARTICLES
NEUTRON
PROTON
ELECTRON
ALLOYS
MIXTURES
LATTICES
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OXYGEN
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CARBON
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LITHIUM
HELIUM
HYDROGEN
ELEMENT

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

chemistry Word Search

Type
Word Search
Description

mole ratio
reaction
state symbol
diatomic element
dimensional analysis
matter
pure substance
homogeneous mixture
heterogeneous mixture
element
molecule
lanthanide
actinide
transition metal
octet rule
noble gas
alkali metal
period
group
periodic table
percent error
percent yield
molecular formula
empirical formula
atomic weight
significant figure
formula unit
molar mass
anion
cation
measurement
density
conversion factor
stoichiometry
proton
neutron
electron
avogadro
atom
mole

atoms and molecules Word Search

Type
Word Search
Description

oxygen atom
water molecule
sodium chloride
electrical charge
neon
quark
isotope
energy level
matter
chemical bond
ionic bond
covalent bond
nuclear force
electromagnetic force
hydrogen
bohr model
atomic theory
elements
periodic table
carbon
nobel gases
ion
electron cloud
orbitals
atomic mass
subatomic particle
nucleus
neutron
electron
proton

Atoms Word Search

Type
Word Search
Description

product
reactant
nonmetal
metal
periodictable
shell
malleability
polymer
nucleus
aminoacid
phbalance
acid
base
chemicalreaction
ionicbond
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mixture
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ion
isotope
valence
noblegas
gas
liquid
solid
heterogeneous
homogeneous
neutral
negative
positive
neutron
electron
proton

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

Ionic Compounds Crossword

Type
Crossword
Description

a force that holds oppositely charged particles together ionic bond
Compound with an ionic bond Ionic Compound
a force that holds two atoms together Chemical Bond
positively charged ion cation
negatively charged ion anion
A 3-D arrangement of particles so that all positives are surrounded by negatives and all negatives are surrounded by positives crystal lattice
An aqueous solution of an ionic compound that conducts electricity electrolyte
The energy required to separate 1 mole of the ions of an ionic compound lattice energy
The simplest ratio of ions represented in an ionic compound formula unit
an ion formed by only 1 atom monatomic ion
An ion made up of two or more atoms bonded together that acts as a single unit with a net charge polyatomic ion
A polyatomic ion composed of an element, usually a nonmetal, bonded to one or more oxygen atoms oxyanion
Proposes that all metal atoms in a metallic solid contribute their valence electrons to form a "sea" of electrons electron sea model
The electrons involved in metallic bonding that are free to move easily from one atom to the next throughout the metal and are not attached to a particular atom delocalized electron
The attraction of a metallic cation for delocalized electrons metallic bond
A mixture of elements that has metallic properties alloy

Acids, Bases, and Salts Crossword

Type
Crossword
Description

a measure of the hydrogen (hydronium) ion concentration of a solution Acidity
a substance whose water solution conducts an electric current Electrolyte
a measure of the hydroxide ion concentration of a solution Alkalinity
a substance that produces hydronium ions (H3O+) as the only positive ions when dissolved in water Arrhenius Acid
a substance that produces hydroxide ions (OH-) as the only negative ions when dissolved in water Arrhenius Base
a hydrogen atom without it's electron (consisting solely on a proton) Hydrogen Ion
A compound formed by the combination of water with a hydrogen ion, H3O+ Hydronium ion
a substance that undergoes a color change that can be used to determine when a reaction is complete Indicator
the reaction between an acid and a base to produce water and salt Neutralization
the concentration of a substance in moles per liter of solution Molarity
a logarithm of a solution's hydrogen ion concentration pH
a logarithmic scale that measures the acidity or alkalinity of a solution on a scale of 1 to 14 pH Scale
the product other than water of a neutralization reaction; an ionic substance consisting of a metallic cation and anion other than the hydroxide ion Salt

Unit 3 Crossword Puzzle

Type
Crossword
Description

Negative charge of an atom electron
Center part of an atom that holds protons and neutrons nucleus
Positive charge of an atom Proton
Neutral Charge of an atom Neutron
Area in an atom where an electron is found Electron Cloud
Substance that cannot be broken down into smaller parts Element
Number or protons in an atom Atomic number
Atoms of the same element that have different amounts of neutrons Isotopes
Average mass of an element's isotopes Average Atomic Mass
Chart that shows the elements Periodic Table
When 2 or more elements combine Compound
Atom that is no longer neutral because of gained/lost electrons Ion
Chemical bond by sharing of valence electrons Covalent Bond
Chemical Reaction that releases energy exothermic
Chemical reaction that absorbs energy endothermic
Substance that speeds up a chemical reaction catalyst
Symbol for Iron FE
Vertical columns on the Periodic Table are called families
Horizontal rows on the Periodic Table are called periods

8th Grade Science Crossword

Type
Crossword
Description

hydronium ions acid
energy needed to start activation
element, smallest unit atom
hydroxide ion base
speeds up a reaction catalyst
represents a substance formula
holds elements together chemicalbond
number in front of chem. symbol coefficient
different elements bonded compound
share electrons coevalentbond
gas to liquid condensation
mass per unit volume density
two elements bonded diatomic
solid carbon dioxide dryice
drawn into a wire ductility
expresses weight newton
how hot or cold temperature
positive charge proton
where protons and electrons live nucleus
solid formed precipitate
starting materials reactant
coil of wire with a current solenoid
definite shape and volume solid
no special arrangement amorphous
ability to dissolve solubility
vibrates in place solid
conducts electricity poorly nonmetal
full outter shell noblegas
unstable isotope radioactive
charged particle ion
conducts electricity
magnetism from electricity electromagnetism
electricity from magnetism electromagneticinduction
negative charge electron
can't be seperated element
heat required endothermic
heat produced exothermic
similar properties, periodic table Family
strong magnet ferromagnet
ability to burn flamable
moves freely gas
no definite shape/volume gas
expresses mass gram