What part of the atom is involved in chemical reactions?

Explanation: There are two types of nuclear reactions, namely nuclear (radioactive) decay and nuclear transmutation. Radioactive decay is when an unstable nucleus of an atom, generally everything with a higher atomic number than Lead has an unstable nucleus, emits radiation to form a product with a more stable nucleus. read more

The electron cloud is the part of the atom that is involved in chemical reactions or more specifically the valence electrons. read more

The Law of Conservation of Matter describes how mass is not lost during a chemical reaction. true The Law of Conservation of Matter is a basic principle in studying chemical reactions. read more