Among the choices, the polyatomic ion is only the third choice, NH4+ where it is composed of nitrogen one atom of nitrogen and 4 atoms of hydrogen. Choice 2 is a monoatomic atom being composed only of calcium. Then, the first and fourth choices are not ions because they are not charged.
Protons is the number of the element on the periodic table. Electrons are the same number of protons and i'm sorry I do not know neutrons, I hope I helped!
Answer:
True
Explanation:
lithium atoms lose one electron each while chlorine atoms gain one electron each
1.53 moles of Fe is your solution hope it helps!
The correct answer is C. Executive branch agencies plan their fiscal budgets for the year. (Apex)
