The mass of a single atom of an element X is 2-65 - 10-23 g- What could this element be-A- NitrogenB- OxygenC- HydrogenD- Phosphorus

The correct option is B Oxygen 1 atom of element X has mass= 2.65 ×10^ 23 g 6.022 ×10^23 atoms of element X have mass= 2.65 ×10^ 23 x 6.022 ×10^23 = 16 g ...

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Standard X

Chemistry

Avogadro's Number

The mass of a...

Question

The mass of a single atom of an element X is $2.65 \times 10^{- 23}$ g.What could this element be?

Nitrogen

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Oxygen

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Hydrogen

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Phosphorus

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Solution

The correct option is B
Oxygen

1 atom of element X has mass= $2.65 \times 10^{- 23}$ g

$6.022 \times 10^{23}$ atoms of element X have mass= $2.65 \times 10^{- 23}$ x $6.022 \times 10^{23}$ = 16 g

The atomic mass of element X is 16u, that element X is oxygen with atomic mass 16u.

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The mass of a single atom of an element X is 2.65×10−23 g.What could this element be?

The correct option is B Oxygen 1 atom of element X has mass= 2.65×10−23 g 6.022×1023 atoms of element X have mass= 2.65×10−23 x 6.022×1023 = 16 g The atomic mass of element X is 16u, that element X is oxygen with atomic mass 16u.

The mass of a single atom of an element X is $2.65 \times 10^{- 23}$ g.What could this element be?

The correct option is B
Oxygen

1 atom of element X has mass= $2.65 \times 10^{- 23}$ g

$6.022 \times 10^{23}$ atoms of element X have mass= $2.65 \times 10^{- 23}$ x $6.022 \times 10^{23}$ = 16 g

The atomic mass of element X is 16u, that element X is oxygen with atomic mass 16u.