how to find valency
Answers
Answered by
1
Answer:
take an example
calcium it's atomic no. is 22
configuration -2,8,8,2
at last we should have octate but there is 2 so it will give 2 and ans is 2+
Answered by
1
Answer:
If the number of electrons in the outer shell is between one to four, the compound is said to have positive valency. For compounds with electrons four, five, six, or seven, the valency is determined by subtracting the electron from eight. All noble gases except for Helium have eight electrons.
Step-by-step explanation:
Similar questions