The atomic radius decreases across a period from left to right and increases down a given group. The atoms with the largest atomic radii are located in group l and at the bottom of groups. Moving from left to right across a period, electrons are added one at a time to the outer energy shell. Hope this helps!
All atoms are of <u>neutral charge, with an equal amount of protons and electrons.</u>
True will end up being the answer
5 Valence electrons .......... Hope it helps, Have a nice day:)
Answer:
7.
Explanation:
A neutral solution has a pH=7.
A basic solution has a pH>7.
An acidic solution has a pH<7.