Question

Use Mendeleev's Periodic Table to predict the formulae for the oxides of the following elements:
          Ca, Ge, Al, Li, Sr (2)
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Answer 1

Answer:

1 ) Cao

2) $GeO__{2\\}$

3) $Al_{2}$$O_{3}$

4) $Li_{2} O$

5) Sro

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See the Mendellev table in 10th NCERT or google for clarification

Answer 2

Ca ---> CaO

Ge ---> GeO2

Al ----> Al2O3

Li -----> Li2O

Sr ---> SrO

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