Answer:
sorry don't know the answer but i really need the points sorry
Explanation:
Answer:
a) The element is Manganese (Mn)
b) The element is Zirconium (Zr)
Explanation:
The step by step analysis and explanation is as shown in the attachment
Answer:
DUPLET RULE: The tendency of an atom to acquire an outer most shell of two electrons is called duplet rule. OCTET RULE: The tendency of an atom to acquire an outermost shell of eight electrons is called the octet rule.
This are letters of the alphabet some are periods and some are commas also they do not form any words or meaning
hope this helped ;)