Chemistry 1
What number do you use to find the number of protons?
atomic number
What are the 3 main states of matter?
Solid, liquid, gas
What is the 25th element called?
Manganese or Mn
C-14 has how many neutrons?
8
The variable that does not change in an experiment: Typically chosen by the scientist
What is an Independent variable
How many periods are shown on the periodic table?
7
What is the atomic number of argon (Ar)?
18
A chemical bond between two nonmetals is called a
covalent bond.
What reaction type follows this trend
A + BC -> AB + C
What is Single Replacement?
What type of elements are the most abundant on the periodic table?
Metal
What are the elements in Group 18 called ?
Noble Gases
How many groups are on the periodic table?
18
Draw A Bohr model for Lithium
Teacher will check
What are the elements in Group 1 called ?
Alkali Metals
Name all 3 subatomic particles.
Protons Neutrons Electrons
How many VE does Aluminum Have?
3 VE
Write the Name for Fe2Cl3
What is Iron (III) Chloride
Balance the following chemical equation:
Al + HCl = AlCl3 + H2
2·Al + 6·HCl = 2·AlCl3 + 3·H2
The Chloride ion (Cl-) has _____e-
18 e-
The sum of protons and neutrons in the nucleus of an atom is known as the _________
Mass number
The substances mixed to produce a chemical reaction are called
Reactants
Which is the correct formula for the compound formed between lithium and sulfur?
Li2S
What particles are in the nucleus of the atom?
protons and neutrons
Elements with the same number of protons but different number of neutrons
Isotope
Balance the following Chemical Reaction
___NaNO3 + ___BaCl2 -> ___NaCl + ____Ba(NO3)2
2NaNO3 + BaCl2 -> 2NaCl + Ba(NO3)2
A covalent bond is a sharing of
Electrons
Which is the correct formula for the compound chromium (III) oxide?
Cr2O3
Name the compound CCl4?
carbon tetrachloride
What is the formula for cobalt (II) iodine?
CoI2
Lithium, sodium, potassium, rubidium, caesium and francium belong to the family of ______________
Alkali metal
How many VE does Aluminum want to gain/lose in order to be Happy?
(Bonus 100: what rule is this called)
Lose 3 VE
Octet Rule
What is the Chemical Name for CoCl2
What is Cobalt (II) Chloride
KF is this type of bond
Ionic
N2O3 is this type of bond
Covalent bond.
A type of Reaction that follows this trend:
A + B -> AB
What is Synthesis