Atoms, Molecules & Compounds Review

Which part of an atom has a negative electric charge?

• proton

• neutron

• electron

• nucleus

Which part of an atom has a positive electric charge?

• neutron

• electron

• nucleus

• proton

Which part of an atom has no electric charge?

• neutron

• proton

• electron

• nucleus

Which part of the atom is NOT found in the nucleus?

• proton

• electron

• neutron

Which of the following makes up the nucleus of an atom? (Choose all that apply.)

• protons

• electrons

• neutrons

Which part of an atom is represented by the blue circles?

• electrons

• neutrons

• protons

Which part of an atom is represented by the orange circles?

• electrons

• neutrons

• protons

Which part of an atom is represented by the green circles?

• neutrons

• protons

• electrons

Which of following are about the same size?

• electrons and protons

• protons and neutrons

• electrons and neutrons

The center of an atom is called the _____.

• proton

• nucleus

• element

• molecule