The atomic weights of two elements A and B are 40 and 80 respectively. If x g of A contains y atoms, how many atoms are present in 2x g of B

Question: The atomic weights of two elements A and B are 40 and 80 respectively. If x g of A contains y atoms, how many atoms are present in 2x g of B

(a) 2y

(b) 4y

(c) y 

(d) 2y


Correct Answer: (c) y


Question: The atomic weights of two elements A and B are 40 and 80 respectively. If x g of A contains y atoms, how many atoms are present in 2x g of B (a) 2y (b) 4y (c) y (d) 2y


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