The vertical columns are groups
The horizontal rows are periods
Answer: energy needed to remove an electron from an atom or ion in the gas phase. Explanation: That is the very definition of ionization energy: ionization energy is the energy needed to remove (get appart) an electron from a neutral atom or ion in gas phase.Jun 19, 2016
Answer:
C. Atomic mass
Explanation:
i just did the quiz and got 100 :) i hope I get brainiest answer
Answer: C.)
Explanation:
i got it right on a unit test!
but it might be something else if there arranged different!
sorry!
Answer C is for kg and but it's .00134 for grams
