Topic 10 - isotopes and the periodic table Flashcards
1
Q
what is an isotope
A
an element with the same number of protons but different number of nuetrons
2
Q
how many electrons do group 0 elements have
A
full outer shell of 8 electrons
3
Q
how many electrons do each groups have in the periodic table
A
group 1 = 1 group 2 = 2 group 3 = 3 group 4 = 4
group 5 = 5 group 6 = 6 group 7 = 7 group 0 = 8
