B. Hydrogen is the answer
Atomic number equals the number of protons or electrons. Atomic mass equals the number of protons and neutrons
Answer:
Food has to be digested into smaller component nutrients that are then absorbed and used throughout your body. Calories in food provide your body with the energy it needs to complete vital processes such as cellular maintenance and reproduction, and respiration.
Explanation:
can i have a brainlist :)
Answer:
chemical and nuclear reaction
Explanation:
I believe its n= m/M
n - number of moles
m - mass of substance
M - molar mass of substance