footer
Answer: $ \(-3\) $ (Phosphorus has 15 electrons in its neutral state. With 18 electrons, it has gained 3 electrons and has a -3 charge.)
Answer: $ \(CaCO_3\) $ (Calcium carbonate consists of one calcium cation and one carbonate anion.)
Answer: $ \(C) Ne\) $ (Neon has a full outer energy level, making it a noble gas.)
Before diving into the ChemSheets answers, let’s review the basics of atoms and ions. An atom is the smallest unit of a chemical element, consisting of a nucleus surrounded by electrons. The nucleus contains protons and neutrons, while the electrons occupy specific energy levels or orbitals.
footer