Answer:
Explanation:
What does it mean by are represented by is it like cells when things can a cell molecule?
Neutral atoms get smaller as you move across the periodic table from (left to right) because the atom increases in electrons. The more electrons, the bigger the effective nuclear charge (electron and proton attraction) and so basically the atom shrinks.
The group 7A elements are called Halogens.
Please mark as brainliest if this helped! :)
