Answer:
Nitrogen, the next nonmetal, has 5 electrons in the valence shell, so it needs to combine with 3 hydrogen atoms to fulfill the octet rule and form a stable compound called ammonia (NH3).
Answer:
the answer is C) the iron will repel the substance because it has more electrons than protons
I think it is C because photosynthesis converts solar energy
Answer:
half lives passed=5
given sample=90g
sample left=2.8125g
Explanation:
no. of half lives=total time/half life
no.=19days/3.8days
no.=5 days
after 5 half lives sample left=2.8125g
That would be the proton. The number of protons in the nucleus determine which element it is and its properties.
