Question

Q7 Elements A, B and C have atomic number 9, 20 and 10 respectively. [4]

a) State which one is chemically inert.

b) State the formula of compound formed between A and B.

c) What type of bond is formed between A and B?

d) Will it have high or low melting point?



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Answer 1

Answer:

(a) 10 no. neon is very inert

(b) the formula is caf2

(c) low melting point

Answer 2

Answer:

1. alement C is chemically inert which is neon
2. element A is fluorine nd element B is calcium thr compound form between them have formula CaF2 also know as flurospar..
3. it will have very high melting point.. its melting point is 1403..

hope it will help uh...

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