Ca has atomic number 20, Fe has at.number 9 and Be has at.no. 4-
a) Which element will have one electron in outermost shell?
b) Write formula of compound formed by the union of Ca with at.no. 20 and element X with
electronic configuration (2,8,7
Answers
Answered by
3
Answer: a) none of these. check Fe has Z=26
b) CaX2
Answered by
2
Answer:
Fe atomic number is 26 not 9
Similar questions