Question

what is valency explain it type with the magnesium sodium aluminium hydrogen carbon and oxygen

Answer 1

the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.

mg=2+

na=1+

al=3+

c=4-

h=1+

o2=2-

Answer 2

$<I>$☞HEYA MATE☜

★ VALENCY

→ THE ATOM OF EACH ELEMENT HAVE COMBINING CAPACITY CORDED VALENCY ...

→ THE ELECTRONS PRESENT IN OUTERMOST SHELL OF AN ATOM ARE KNOWN AS VALENCE ELECTRONS ...

⚫ MAGNESIUM = +2

⚫ SODIUM = +1

⚫ ALUMINIUM = +3

⚫ CARBON = -4

⚫ HYDROGEN = 1

⚫ OXYGEN = -2

❣️HOPE IT HELPS UH ❣️