Compounds are made of two or more atoms of different elements, such as water (H2O) and methane (CH4). Atoms are not drawn to scale. Molecules of compounds have atoms of two or more different elements.
The answer is A.Hope this helps
Answer: (give brainliest)
proton- a stable particle with positive charge equal to the negative charge of an electron
electron cloud- the system of electrons surrounding the nucleus of an atom.
nucleus- A nucleolus is the largest structure within the nucleus of a eukaryotic cell.
electron- Electrons are the smallest of the particles that make up an atom, and they carry a negative charge.
neutron- a subatomic particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus.
Explanation: