Question

Answer this above question pls....(science)

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Give correct answer and get a like and brainlist .​

Answer 1

Answer:

1. K(present in first group)

valency=+1

oxide is K2O

hydride is KH

• C(present in 4th group)

valency =+4

oxide is CO2

hydride is CH4

• Al(present in third group)

valency=+3

oxide is Al2O3

hydride is AlH3

• Si

valency=+4

oxide is SiO2

hydride is SiH4

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