Question

write the valency of 21 to 30 elements with positive or negative charge.​

Answer 1

Answer:

21. Sc Scandium = 3, 2, 1

Answer 2

$\huge{ \underline{ \mathcal{Answer - }}}$

21 .sc scαndíum 3, 2, 1

22.ít ítαníum 4, 3, 2, 0, -1, -2

23.v vαnαdíum 5, 4, 3, 2, 1, 0,-1,-2

24.cr chrσmíum 6, 5, 4, 3,2, 1,0,-1,-2,-3,-4

25.mn mαngαnєsє 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3

26.fє írσn 6, 5, 4, 3,2, 1, 0, -1, -2

27.cσ cσвαlt 5, 4, 3, 2, 1, 0, -1

28.ní níckєl 6, 4, 3, 2, 1, 0, -1

29.cu cσppєr 4, 3, 2, 1, 0

30.zn zínc 2, 1, 0