Watt stands for power that is energy per unit time
Answer:
45 neutrons
Explanation:
Bromine has 35 protons and a mass number of 80. a) How many neutrons does the atom of bromine have? The mass number = protons + neutrons. Bromine has a mass number of 80 and 35 protons so 80-35 = 45 neutrons.
<span>(4) The dissolving of the LiBr(s) in water is an exothermic process</span>
The answer is A. Energy first enters an ecosystem through light energy that is absorbed through photo-synthesizers