24-25 Atoms, ECM Test

24-25 Atoms, ECM Test

Assessment

Flashcard

Chemistry

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the central region of an atom where its neutrons and protons are located?

Back

Nucleus

2.

FLASHCARD QUESTION

Front

Which of the following is an example of a compound found in everyday life? (Gold, Iron, Water, Oxygen gas)

Back

Water (H2O)

3.

FLASHCARD QUESTION

Front

What does the number 1 represent in atomic notation?

Back

Number of protons

4.

FLASHCARD QUESTION

Front

What are the positive particles of an atom called?

Back

Protons

5.

FLASHCARD QUESTION

Front

What characteristic is used to identify a heterogeneous mixture?

Back

Visible different components; not evenly mixed

6.

FLASHCARD QUESTION

Front

What is the charge of a proton?

Back

Positive

7.

FLASHCARD QUESTION

Front

What is the charge of a neutron?

Back

Neutral

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