Isotopes and Relative Atomic Mass

Isotopes and Relative Atomic Mass

Assessment

Flashcard

Chemistry

9th - 12th Grade

Practice Problem

Easy

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Wayground Content

Used 1+ times

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15 questions

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1.

FLASHCARD QUESTION

Front

In order for two elements to be isotopes, what has to be the SAME? Options: Protons, Electrons, Neutrons, Mass

Back

Protons

2.

FLASHCARD QUESTION

Front

In order for two elements to be isotopes, what must be DIFFERENT? Options: Protons, Electrons, Neutrons, Neutrons & Mass

Back

Neutrons & Mass

3.

FLASHCARD QUESTION

Front

Which isotope of Lithium contains 4 neutrons? Options: Li-6, Li-7, Li-8, They have the same # of neutrons

Media Image

Back

Li-7

4.

FLASHCARD QUESTION

Front

Looking at the following mass spectrum of neon, how many isotopes does neon have?

Media Image

Back

3

5.

FLASHCARD QUESTION

Front

Looking at the following mass spectrum of neon, which isotope is most abundant? Options: Ne-20, Ne-21, Ne-22

Media Image

Back

Ne-20

6.

FLASHCARD QUESTION

Front

Looking at the following mass spectrum diagram, what would be the average atomic mass of this element? Round to 3 sig figs (only type a #, no units)

Media Image

Back

10.2

7.

FLASHCARD QUESTION

Front

Nitrogen has two isotopes. One isotope has a mass of 14.003 amu and a relative abundance of 99.63%, while the other has a mass of 15.000 amu and a relative abundance of 0.37%. What is the average atomic mass for nitrogen?

Back

14.007 amu

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