Electrons
Ions
Molecules
Particles
Etc.
100
Atoms that gain electrons have this charge.
What is negative?
100
A charged atom that has gained one or more electrons.
What is a negative ion?
100
Valence electrons are shared unequally.
What is a polar molecule?
100
A substance that contains 2 or more elements.
What is a compound?
100
In a chemical formula, the number of atoms of each element is indicated by this number.
What is a subscript?
200
Level that electron leave to form bonds.
What is outer energy level?
200
Joining of positive and negative ions.
What is an ionic bond?
200
A molecule that shares one electron is this type of bond.
What is a single covalent bond?
200
Made of protons, neutrons and electrons.
What is an atom?
200
The number of dots is equal to the ones place of the group number of the element.
What is an electron dot diagram?
300
Makes an outer energy level stable.
What is eight electrons?
300
Often forms by ionic bonds.
What are solid crystals?
300
Molecule formed by this bond of 2 nonmetal atoms.
What is a covalent bond?
300
Positively charged center of an atom where most mass is found.
What is a nucleus?
300
All elements have a different number of these.
What is protons?
400
Stable noble gases are found here in the periodic table.
What is group 18?
400
Indicates an atom of an element has lost an electron.
What is +?
400
Neutral particle formed when atoms share electrons.
What is a molecule?
400
Location of electrons with highest energy.
What is outer level?
400
In this type of bond, electrons form a cloud around positively charged nuclei.
What is a metallic bond?
500
An atom that has gained or lost an electron.
What is an ion?
500
A negative ion has gained an electron as indicated by this symbol.
What is -?
500
Molecule with a negative end and a positive end.
What is a polar molecule?
500
The periodic table consists of approximately this many elements that form compounds.
What is 115?
500
A combination of symbols.
What is a formula?
M
e
n
u