I think it's DNA forms a double helix and RNA consists a single strand.
I may be wrong...
Answer:
The answer is KF.
Explanation:
Ionic bonding occurs, when a metal and a non-metal combines together to form ionic compound. In KF, K is a metal and F is a non-metal.
Beryllium has 4 protons, 4 electrons and 5 neutrons
If two objects have the same mass, the object with the higher temperature has greater thermal energy.
