Question

calculate the number of atoms in 18 g of carbon​

Answer 1

Explanation:

In 18 g.. no. of carbon atoms will be

= 0.6 × 6.022 ×10^23

Answer 2

Answer:

take care dear good night

Explanation:

Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table. Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass.