These particles account for the majority of the mass in an atom
What are protons and neutrons
100
The bonding that occurs when two non-metals combine to form a new compound
What is a covalent bond.
200
When sugar and water are mixed together, the result is?
What is a solution
200
Ba(NO3)2
What is barium nitrate
200
A non-metal with six valence electrons that is a gas at room temperature
What is oxygen
200
The electron configuration for 2,8,3
What is aluminum.
300
4.55 g ÷ 1.2 mL =
What is 3.8 g/mL
300
(NH4)2SO4
What is ammonium sulphate
300
The intersection of period 4 and group 8
What is Krypton
400
Styrofoam
What is a colloid
400
Iron (III) hydroxide?
What is Fe(OH)3
400
A radioactive isotope that has 53 protons, 70 neutrons, and 53 electrons
What is iodine-123.
500
The calculate value of the the difference of the actual density = 5.55 g/mL and the experimental density = 5.43 g/mL divided by the actual value times 100.