Isotopes and Atomic Mass Flashcard

Isotopes and Atomic Mass Flashcard

Assessment

Flashcard

Computers

11th Grade

Hard

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40 questions

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1.

FLASHCARD QUESTION

Front

Isotopes are atoms of the same element that have different

Back

masses.

2.

FLASHCARD QUESTION

Front

As the mass number of an element's isotopes increases, the number of protons

Back

remains the same.

3.

FLASHCARD QUESTION

Front

The average atomic mass of an element is the average of the atomic masses of its

Back

naturally occurring isotopes.

4.

FLASHCARD QUESTION

Front

The average atomic mass of an element

Back

may not equal the mass of any of its isotopes.

5.

FLASHCARD QUESTION

Front

The atomic mass of an element listed in the periodic table is the

Back

average atomic mass.

6.

FLASHCARD QUESTION

Front

Carbon-14 (atomic number 6), the radioactive nuclide used in dating fossils, has how many neutrons?

Back

8 neutrons.

7.

FLASHCARD QUESTION

Front

What does the number 84 in krypton-84 represent?

Back

the mass number

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