Question

Look at the following chemical
formula. How many total
elements and total atoms are
present in the formula?
2NaHCO3

Answer 1

Answer:

elements:4

Atoms:7

Explanation:

Elements: Na (Sodium), H (Hydrogen), C (Carbon), and O (Oxygen)

Atoms: 2*Na (Sodium), 1*H (Hydrogen), 1*C (Carbon), and O (Oxygen)*3

Answer 2

Elements- 4 (sodium, hydrogen, carbon, oxygen)
Atoms- 5 (2+3)