<span>C. The number of electrons the element needs to lose or gain to have a full valence shell</span>
The answer is 123
Brainliest??
Alright so the way I see it by definition of increasing atomic number of the halogen family, that means you're going down the periodic table. Therefore, there's an increase in the number of outer shells. The atomic radius would increase because that's basically the distance between the nucleus of the element to the outermost electron. More electron shells=Greater distance=Larger atomic radius
Answer:
NH4+ will be ammonium, NH3 is ammonia which is the conjugate base of ammonium.
Explanation:
Water donates a proton in the forward reaction and H2C03 donates a proton in the reverse.
The answer on plato is c