Answer:
the answer is 70.906 g/mol
Explanation:
Answer:
When octane and oxygen gas are burned in our cars, carbon dioxide and water come out of the exhaust. The increase in carbon dioxide in the atmosphere is causing global warming. 4.
Explanation:
The element is Magnesium
- It has total 12 electrons
it has electronic configuration

or

In valence cell it has 2 electrons and therefore its valency is 2
LEAD is the element that has this electron configuration