Answer:
Barium, Strontium and Beryllium
Explanation:
There are 18 groups in the periodic table and the previous 3 all belong to the same group, group 2 the alkali metals
Silicon is group 14, the carbon group
Aluminum is in the boron group, group 13
Osminium is in the group 8 transition metals
It’s 8 u cross multiply 7 and 1 then 1 and 56 and then divide 56 by 7
Translation right down c=
The probability of drawing a white marble =
∴ the probability of drawing a white marble = ³/₁₄
A. (H, 1) (H, 2) (H, 3) (H, 4) (H, 5), (T, 1) (T, 2) (T, 3) (T, 4) (T, 5)
grigory [225]
B
m,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
