Answer:
Covalent Bonds are formed when two non-metals share electrons
Hope this helps
Answer: 0.052torr
Explanation: Please see attachment for explanation
Density increases with the temperature, true.
Atomic number shows the number of protons in an atom's nucleus. If the atomic number is 30, then it has 30 protons. The question says it is neutral, so it must have the same amount of protons and electrons.
A is the correct answer based on this.