Practice Quiz: The Atom

Which of the following is NOT a subatomic particle?

• Polyatomic Ion

• Electron

• Proton

• Neutron

Which of the following subatomic particles is negative?

• Molecule

• neutron

• Proton

• electron

Which of the following subatomic particles is positive?

• molecule

• neutron

• proton

• electron

What is done to calculate the atomic mass?

• Add the # of electrons and protons.

• Add the # of neutrons and electrons

• Add the # of protons and neutrons.

• It's the # of protons.

In Figure 1, if the red particles are protons, which element is it representing?

• Calcium

• Beryllium

• Gold

• Carbon

What is an ion?

• a charged particle

• cable tv

• youtube channel

• sigma

How do particles become ions?

• When they burn.

• It is natural decay.

• Gaining or losing protons.

• Gaining or losing electrons.

What would happen if the strong force vanished?

• The atom flies apart.

• Everybody can fly.

• Time ceases to exist.

• Gaining or losing electrons.

Smallest of the 3 subatomic particles

• protons

• neutrons

• electrons

What is true about the space an electron occupies?

• It is huge.

• It is tiny.

• It cannot be known.