Calcium and sulfur ions experience a force of -1.17x10- N. Calcium ions have a charge of +2e, while sulfide ions have a charge of -2e. What is the distance between the 2 nuclei in when bonded?

Is this a single replacement reaction or there is no

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

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d