Topic 10 - isotopes and the periodic table

Question 1

what is an isotope

Answer 1

an element with the same number of protons but different number of nuetrons

Question 2

how many electrons do group 0 elements have

Answer 2

full outer shell of 8 electrons

Question 3

how many electrons do each groups have in the periodic table

Answer 3

group 1 = 1 group 2 = 2 group 3 = 3 group 4 = 4
group 5 = 5 group 6 = 6 group 7 = 7 group 0 = 8