Atoms Practice Flashcard

Atoms Practice Flashcard

Assessment

Flashcard

Chemistry

10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What can you conclude from the atomic number of an element?

Back

The atomic number indicates the number of protons in an atom of that element.

2.

FLASHCARD QUESTION

Front

What is a valence electron?

Back

Valence electrons are the electrons in the outermost energy level of an atom.

3.

FLASHCARD QUESTION

Front

What is the mass number of an atom?

Back

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

4.

FLASHCARD QUESTION

Front

What does the number 12 represent in atomic notation?

Back

The number 12 represents the atomic mass of the atom.

5.

FLASHCARD QUESTION

Front

What is the atomic number of Oxygen?

Back

The atomic number of Oxygen is 8.

6.

FLASHCARD QUESTION

Front

How many protons does an atom of Carbon have?

Back

An atom of Carbon has 6 protons.

7.

FLASHCARD QUESTION

Front

What is the relationship between protons and electrons in a neutral atom?

Back

In a neutral atom, the number of protons equals the number of electrons.

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