Question

1. choose all that apply.

which two facts are about electrons?
they reproduce and increase the mass of the atom over time.
the negatively charged particles are smaller than protons and neutrons.
they are the largest part of an atom.
they move extremely fast in the electron cloud around the atoms nucleus.

Explanation:

Electrons are negatively - charged particles that are much smaller in mass compared to protons and neutrons. They move rapidly in the electron cloud around the nucleus. They do not reproduce to increase the mass of an atom, and they are not the largest part of an atom.

Answer:

• They move extremely fast in the electron cloud around the atom's nucleus.
• The negatively - charged particles are smaller than protons and neutrons.