Answer: 7.81 mol HgO (How many moles of mercury(II) oxide, HgO, are needed to produce 125 g of oxygen, O2?)
Explanation:
The dependant variable is what you measure during the experiment and what is affected in the experiment (this is for question 4) so the answer would be D
Answer: D
Explanation:
the atom of the metal loses one electron which becomes delocalised and is attragted by the positive nucleus leading to formation of metallic bond.
Answer: C. growth
Explanation: because why not
