Answer:
i.e belongs to same group because of valence electrons are same
Explanation:
so it has same chemical behaviour. and q has more energy than r ionisation energy decreases from top to bottom
the answer is 0.000097 KM
There are 6 molecules of Mg3(PO4)2
6 × 3 = 18 Mg
6 × 4 × 2 = 48 O
Answer: 116g/mole
Explanation:
She didn't get the answer because she didn't add the them well , due to the bracket present.