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

• Element

• Compound

• Mixture

• Solution

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 necessary for combustion to take place?

• Carbon

• Oxygen

• Hydrogen

• Nitrogen

Acids have a pH that is:

• Less than 7

• Exactly 7

• More than 7

• Equal to 0

Which of the following is NOT a physical property?

• Color

• Boiling point

• Flammability

• Density

What happens to the particles of a substance when it is heated?

• They move slower

• They move faster

• They change into different particles

• They disappear