Question

13. How many gram atoms are present in 40g of
calcium ?
(1 Point)
1
3
2
4​

Answer 1

Answer:

2 Gram

Explanation:

so , this 40 g is can be said to be one mole of calcium atom. One mole of any substances contain the number of molecules or atoms equal to 6.022×10^23. = 3.011×10^22 atom will be contained in 2 grams