What orbitals would be present in principal energy level two? 2p only
2s only
2s, 2p, 2d
2s, 2p

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?