Elementary Chemistry Quiz

What is the center of an atom called?

• Electron

• Nucleus

• Proton

• Neutron

Which of the following is NOT a state of matter?

• Solid

• Liquid

• Gas

• Heat

What do we call a substance made up of only one kind of atom?

• Compound

• Molecule

• Element

• Mixture

Water is a compound made from the elements hydrogen and what else?

• Oxygen

• Carbon

• Nitrogen

• Helium

Which of the following is a chemical change?

• Boiling water

• Dissolving sugar in water

• Rusting of iron

• Melting ice

What is the chemical symbol for gold?

• G

• Au

• Ag

• Go

Which of the following is NOT a physical property?

• Color

• Boiling point

• Flammability

• Density

What do we call a solution that has more hydrogen ions (H+) than hydroxide ions (OH-)?

• Acidic

• Basic

• Neutral

• Saline

Which of the following elements is a noble gas?

• Nitrogen

• Oxygen

• Argon

• Carbon

What is the process called when a solid changes directly into a gas?

• Condensation

• Evaporation

• Sublimation

• Deposition