1. Three elements X, Y, Z have atomic number 4,12 and 19 respectively.
a. State the number of valence electrons in each element.
b. Do these elements have similar electronic properties? If yes then why?
c. Do these elements belong to metals, non-metals or inert gases?
Answers
Answered by
1
Answer:
A.X= -2, Y= -2, Z= -1
ANSWER
Answered by
1
Explanation:
a.x=-,y=-2,z=-2 euhdyhe5rgir
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