Atom A has 30 protons and 32 neutrons and 30 electrons. Atom B has 30 protons 28 neutrons and 30 electrons. Atoms A and B are ?

Neutral

Explanation:

They have the same # of protons and electrons

i believe it is 40–40–20%

explanation:

you need to take a look at the periodic system in order to sort these elements into pairs that would most likely exhibit similar chemical properties. first, you need to find elements that are found in the same group (groups are vertical in the periodic system), and then to see whether they have the same valence number. if they meet these criteria, they will have similar properties.

the first pair: ne (neon) and kr (krypton), are noble gases found in group 8

the second pair: li (lithium) and k (potassium), found in group 1

the third pair: s (sulfur) and te (tellurium), found in group 6