Chemistry 1
The first element in the periodic table
What is hydrogen?
Name all 3 subatomic particles.
What are electrons, protons and neutrons?
Why are alkali metals (and H) the most reactive?
They only have one electron in their valence shell.
The symbol for the compound Sodium bromide
What is NaBr?
Balance this equation
K + Cl2 → KCl
What is 2K + Cl2 → 2KCl
What number do you use to find the number of protons?
What is atomic number?
What are the 3 main states of matter?
What is solid, liquid, gas?
A compound forms if when atoms move close together their ____________ interact and become a more stable arrangement of atoms.
Electrons
The name for BaF2
What is Barium flouride?
Balance this equation
Na + O2 --> Na2O
What is 4Na + O2 → 2Na2O
How many periods are shown on the periodic table?
What is 7?
Why are Noble gases so noble?
There valence shells are filled, so they do not react readily.
What is the chemical name and formula for salt?
Sodium chloride, NaCl
The name for PI3
What is phosphorous triodide?
Balance this equation
Na + Cl2 → NaCl
what is 2Na + Cl2 → 2NaCl
What are the elements in Group 18 called ?
What are Noble Gases?
What is the Kinetic Molecular Theory?
The kinetic theory of matter states that all matter consists of particles in constant motion.
During a chemical reaction, no atoms are created or destroyed, but rearranged into new compounds.
What is the Law of Conservation of Mass.
The name for SO2
What is Sulfur dioxide?
Balance this equation
CH4 + O2 → CO2 + H2O
What is CH4 + 2O2 → CO2 + 2H2O
When moving from left to right across the periodic table, what increases?
What is Atomic Number?
What is the electric charge on each of the three sub-atomic particles?
Proton +
Neutron 0
Electron -
What is inside the nucleus in the atom?
What are protons and neutrons?
The formula for dinitrogen tetraoxide.
What is N2O4?
Balance this equation
C3H8 + O2 → CO2 + H2O
What is C3H8 + 5O2 → 3CO2 + 4H2O
What is the difference between an ionic and covalent compound?
Ionic - metal, non-metal; lose or gain atoms
Covalent - metal - non-metal, share electrons
Elements in Group 2 form ions with a charge of ___
What is 2+?
Fluorine, chlorine, bromine, and iodine belong to the family of ______________
What are halogens?
The name for Mn3N4
What is Manganese (IV) nitride?
One goes "pop" and one re-lights a flame.
What is the test for H and O respectively.
The sum of protons and neutrons in the nucleus of an atom is known as the _________
What is mass number?
How many electrons does a Calcium ion have?
18
Who made the periodic table?
Who is Dmitri Mendeleev?
Name of Cu(MnO4)2
What is copper (II) permanganate?
What is a single replacement reaction? Give an example.
A chemical reaction in which one element is replaced by another in a compound.
Zn + CuCl2 = ZnCl2 + Cu
HCl + Zn = ZnCl + H