Vocabulary
These are positively charged subatomic particles.
Protons
Ca is the symbol for this element.
Calcium
Bond where electrons are transferred
ionic
Model for showing the outermost number of electrons in an atoms shell.
Lewis Dot Model
Elements form this when molecules go through a chemical reaction.
Compound
Three states of matter.
Solid, Liquid, Gas
Na
Bond where electrons are shared
If an atom contains 11 protons and 12 neutrons, its atomic number is this.
11
The substances that enter a chemical reaction.
Reactants
Smallest units of matter.
Atoms
84
An Ion is formed when an atom gains or loses this.
electrons
If an atom gains an electron it forms this.
negatively charged ion, anion
The substances that are the result of a chemical reaction.
Products
This particle has no charge.
neutron
Elements on the periodic table with MOST similar properties to the element Chlorine.
Fluorine, Bromine, Iodine
Rule for full outer shell.
Octet Rule
An atom with more protons than electrons.
cation
The coefficient number in the following formula is:
4H20
4
A pure substance that is made of atoms.
How is the periodic table arranged?
By increasing atomic number.
Why do elements bond?
Stability
Represents the number of electrons gained or lost by an atom in a substance.
Oxidation number
Balance the following chemical equation.
H2 + NaO + -> H4NaO