Answer:
172
Explanation:
you multiply the 200 times the 14% in a format suvh as this, 200x.14 because 14% is out of 100% and you can see the 100% as 1.00, then the answer is 28 and subtract 28 from 200 ant that equals 172.
Pues no entiendo porque. Perdón pero no puedo ayudar
Answer:
the element must be in the fifth, sixth, or seventh energy shells.
Explanation:
Because the first ionization energy is less than calcium's, the element must be larger and in the next energy shell. Calcium is in the fourth energy shell, so the element must be in the fifth, sixth, or seventh energy shells.