Atoms

Atoms

Assessment

Flashcard

Science

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

__________ are negatively charged particles that are in the orbitals around the nucleus.

Back

Electrons

2.

FLASHCARD QUESTION

Front

All matter is made of _________.

Back

Atoms

3.

FLASHCARD QUESTION

Front

How many neutrons does nitrogen have?

Back

7

4.

FLASHCARD QUESTION

Front

An electron has a _________ charge.

Back

Negative

5.

FLASHCARD QUESTION

Front

What is the correct formula for calculating how many neutrons are in an atom?

Back

Atomic mass - Atomic number = Neutrons

6.

FLASHCARD QUESTION

Front

What is the center of an atom called?

Back

Nucleus

7.

FLASHCARD QUESTION

Front

What are the positively charged particles in an atom?

Back

Protons

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