Hydrogen mass is 1, the atom with mass number 7 is Lithium
Energy is absorbed so, the mass is increased.
energy is released so, the mass is increased
<span>3. All nucleotides are made up of three component compounds:
a 5-carbon sugar (ribose or deoxyribose),
a phosphate group, and
a nitrogenous base.</span>
Answer:
2
Explanation:
In the equation, Cl is chlorine and there is a number "2" so that the correct answer is 2.
