it will expand as water moves into it.
Answer:
Potassium is an element that has 19 electrons
Answer:
it has an equal number of neutrons and electrons
Explanation:
Number of protons always equal number of electron, but that's the case with a neutral atom. A neutral atom is an atom of any element that has no electric charge over it. This implies that it has same number of protons and electrons in it.
Answer:
silicon tetrachloride or tetrachlorosilane