Which molecule has only one lone (non-bonding) pair in its lewis model? mastering chemistry?

What’s the scientific notation for the number 6,840,000,000

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.

An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.