Unit 1
Unit 2
Unit 3
Unit 4
Unit 5
100
How many sig figs are there in 130.25?
What is 5 sig figs
100
What subatomic particle has almost no mass?
What is electron
100
How many protons does Copper have?
What is 29 protons
100
5. What type of bond occurs between two non-metals?
What is a covalent bond
100
Write the chemical formula for Iron (II) bromide
What is FeBr2
200
When measuring, always one digit beyond what you know.
What is estimate
200
What subatomic particle resides in the nucleus with a neutral charge?
What is neutron
200
One of these has greater ionization energy, aluminum and sodium
What is aluminum
200
What type of bond occurs between a metal and a non-metal?
What is an ionic bond
200
Write the formula for Magnesium nitrite
What is Mg(NO2)2
300
If an unknown sample’s mass is 140 grams and its density in water is 4 g/ml, what is its volume?
What is 40 g/ml (sig figs)
300
What component of an atom stays the same even with its ion and isotope?
What is proton
300
How many neutrons does a stable isotope of Nitrogen contain?
What is 7 neutrons
300
Write the formula for Platinum (IV) nitride
What is Pt3N₄
300
Balance HCl + Al=AlCl3 + H2
What is 6 HCl + 2 Al=2AlCl3 + 3 H2
400
What type of change occurs when sugar is dissolved in water?
What is physical
400
What was the name of Rutherford’s most famous experiment?
What is the gold foil experiment
400
Which scientist created the periodic table?
Who is Mendeleev
400
Write the formula for Hydrogen Sulfate
What is H₂SO₄
400
A piece of iron metal is exposed to oxygen gas (Fe3+ product would form) Write a balanced equation
What is 4Fe+ 3O2=2Fe2O3
500
Name the 5 indicators of a chemical change
What are change in temp, change in color, noticeable odor, formation of a precipitate, formation of bubbles
500
What is between the nucleus and the electron levels?
What is electron cloud
500
Which scientist disagreed with the original periodic table’s format and organized it by atomic number?
Who is Mosely
500
Name the following compound: HClO₄
What is Perchloric acid
500
Write the formula for Barium acetate
What is Ba(C2H3O2)2
M
e
n
u