Which of the following is not a subatomic particle? O Electron
O Neutron
O Nucleus
O Proton

The nucleus is not a subatomic particle, but rather made of the subatomic particles of protons and neutrons. An electron is also a subatomic particle, but it is not found in the nucleus. There are many other subatomic particles, but your teacher probably won't go over those terms until later.

clouds form

solid ice forms on leaves.

water droplets form on grass.

a) the particles of the chair are strongly held together.