According to the general trend in electron affinities, which group (or family) of elements tend to form the most stable anions in the gas phase? Group of answer choices transition metals alkali metals noble gases alkaline earth metals halogens

answer: you could do some invislibe ink.

explanation: i will tell you how to if u answer my question.

3

explanation:

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer