You have two pieces of metal. Metal A has a higher temperature than metal B. What does this tell you about them A)there is more light energy in metal B
B)mental A has more gravitational potential energy
C) the molecules in mental A are vibrating faster
D) metal B has more heat energy

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom

Iam pretty sure that the answer is d