Question

mostly _____ atoms are present on Earth​

Answer 1

Answer:

Helium

Helium has the most number of mol out of all the options and will thus have the highest number of atoms. Look up the atomic weight (in grams per mole) of each of these 5 elements, and divide the given mass of the element by its atomic weight.

Answer 2

Earth's elements, like Iron, Oxygen, Silicon, Magnesium, Sulfur are mostly found on earth

Mostly Oxygen  atoms are present on Earth​

Explanation:

• According to the US Department of energy the atoms present include 133,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000.
• Out of which the number of atoms in Earth's elements Iron, Oxygen, silicon, magnesium, and sulfur add up to earth's element.

• Oxygen is the abundantly found element
• Oxygen comprises 49.5% of the total mass of the earth's crust.