8th grade Periodic table

8th grade Periodic table

Assessment

Flashcard

Chemistry

7th - 8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

2.

FLASHCARD QUESTION

Front

What is the mass number of an element?

Back

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

3.

FLASHCARD QUESTION

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

4.

FLASHCARD QUESTION

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

5.

FLASHCARD QUESTION

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

6.

FLASHCARD QUESTION

Front

How are elements arranged in the modern periodic table?

Back

Elements are arranged by increasing atomic number.

7.

FLASHCARD QUESTION

Front

What is a group in the periodic table?

Back

A group is a column in the periodic table that contains elements with similar properties.

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