No the sequence common difference changes from 4 to 5 to 6.
Answer:
=4/3 or 1 and 1/3
If it is not provided in the answer then put no solution.
Step-by-step explanation:
the lower the valance electrons the more reactive the element.
Since Element B has few electrons it is more reactive
so the answer is Element A is less reactive but will still react
Answer:OK
Step-by-step explanation: