Chem MCAT 1.2 Atomic Mass Vs. Atomic Weight

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Last updated 1:53 AM on 7/21/26
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10 Terms

1
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What is Atomic Mass?

Number of protons and neutrons

2
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What is Isotopes?

Atoms of the same element that have different numbers of neutrons

3
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What is the name of the Isotope of hydrogen with only one amu?

Protium

4
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What is the name of the Isotope of hydrogen with two amu?

deuterium

5
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What is the name of the Isotope of hydrogen with three amu?

Tritium

6
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What is Atomic Weight?

the weighted average of these diffrent isotopes

7
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What is Avogadro's number?

6.022x10^23

8
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What is a mole?

is a number of things (atoms,ions,molecules) equal to Avogadro's number.

9
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What is the textbook definition of Atomic Mass?

Is the sum of the masses of protons and neutrons in a given atom of an element. Atoms of the same element with different mass numbers are isotopes of each other.

10
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What is the textbook definition of Atomic Weight?

Is the weighted average of the naturally occurring isotopes of an element.