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hello can anyone help?

Potassium, K, forms a compound with fluorine, F
Which statements about this compound are correct?

1) The compound is ionic.
2) The formula of the compound is KF.
3) The compound is soluble in water.

A) 1 2 and 3
B) 1 and 2 only.

C) 1 and 3 only
D) 2 and 3 only ​

Respuesta :

Answer:

A ) 1, 2 and 3

Explanation:

1 ) is correct because,

K donates 1 electron

F gain 1 electron from K.

If donating and gaining of electrons takes place between two electron, then type of compound formed is ionic.

2 ) is correct because,

K + F -----> KF

3 ) is correct because,

KF is soluble in cold water; very soluble in hot water.

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