Question

protons and neutrons are found in the nucleus of an atom. traveling around the nucleus are fast - moving particles called electrons. each electron has a negative electrical charge. an electron is much smaller and lighter than a proton or a neutron.
which of the following statements are true? select all that apply.
an electron has a negative electrical charge.
a proton is the same size as an electron.
all of an atoms electrons are located outside its nucleus.

Explanation:

1. For "An electron has a negative electrical charge": The text says "Each electron has a negative electrical charge", so this is true.
2. For "A proton is the same size as an electron": The text states "An electron is much smaller and lighter than a proton or a neutron", so this is false (the original check is incorrect).
3. For "All of an atom's electrons are located outside its nucleus": The text says "Traveling around the nucleus are fast - moving particles called electrons", so electrons are outside the nucleus, this is true.

Answer:

• An electron has a negative electrical charge.
• All of an atom's electrons are located outside its nucleus.