Answer:
100 j
Explanation:
bascially u j subtract 50 from 150 because the system lost 50 j but theres 150 in its surroundings
Answer:
Protons
Explanation:
It's the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
Hope this helped, can I also get brainliest plz?
Answer:
the number of neutrons for silicon is 14