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Isotopes and Mass Number CFU

Isotopes and Mass Number CFU

Assessment

Flashcard

Chemistry

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an isotope?

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

2.

FLASHCARD QUESTION

Front

How do you calculate the number of neutrons in an isotope?

Back

Number of neutrons = Mass number - Atomic number.

3.

FLASHCARD QUESTION

Front

What is the mass number of an isotope?

Back

The mass number is the total number of protons and neutrons in the nucleus of an atom.

4.

FLASHCARD QUESTION

Front

How many neutrons does Calcium-48 have?

Back

28 neutrons.

5.

FLASHCARD QUESTION

Front

How many neutrons does Sodium-24 have?

Back

13 neutrons.

6.

FLASHCARD QUESTION

Front

How many neutrons does Fluorine-19 have?

Back

10 neutrons.

7.

FLASHCARD QUESTION

Front

What is the relationship between isotopes and atomic mass?

Back

Isotopes of an element contribute to the average atomic mass of that element.

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