Write the formula for a complex formed between ag+ and nh3 with a coordination number of 2. formula: [ag(nh _{3})_{2}] [ag(nh3)2] write the formula for a complex formed between zn2+ and oh− with a coordination number of 4. formula: [zn(oh)_{4}] [zn(oh)4]

- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).

a electronegativity decreases beacuse the size of nucleus is bigger.

16

explanation:

the marks go by 4s