Practice Chemistry Problems

The center of an atom is 

• a neutron.

• a nucleus.

• a quark.

• a bohr.

An area around an the center of the atom where electrons are located

• is deep space.

• is a quark.

• is a nucleus.

• is an electron cloud.

What are the subatomic particles of atoms?

• Protons and neutrons.

• Protons, neutrons, and electrons.

• nuclei

• are quarks.

The smallest particle of an element that still retains the element's properties is

• an atom.

• a nucleus.

• a quark.

• an electron.

What is the Symbol for Carbon?

What is the symbol for Hydrogen?

What is the symbol for Nitrogen

What is the symbol for Berrylium?

What is the symbol for Boron?

What is the symbol for Helium?