Atoms, Ions, and Isotopes

Atoms, Ions, and Isotopes

Assessment

Flashcard

Chemistry

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What particles determine the mass number?

Back

Protons and neutrons

2.

FLASHCARD QUESTION

Front

What is the mass number of bromine?

Back

80

3.

FLASHCARD QUESTION

Front

The atomic number is equal to _.

Back

the number of protons

4.

FLASHCARD QUESTION

Front

How many neutrons does this bromine atom have?

Back

45

5.

FLASHCARD QUESTION

Front

What is the mass number of this Neon atom?

Back

21

6.

FLASHCARD QUESTION

Front

How many electrons does this magnesium ion have?

Back

10

7.

FLASHCARD QUESTION

Front

What changes when an atom becomes an ion?

Back

The number of electrons

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