Periodic Table

Periodic Table

Assessment

Flashcard

Science

7th Grade

Hard

NGSS
MS-PS1-1, HS-PS1-1, HS-PS1-8

Standards-aligned

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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, which determines the element's identity.

2.

FLASHCARD QUESTION

Front

How can you determine the number of protons in an atom?

Back

The number of protons in an atom is equal to its atomic number.

3.

FLASHCARD QUESTION

Front

If an atom has 5 electrons and 5 protons, what is its atomic number?

Back

5

Tags

NGSS.MS-PS1-1

4.

FLASHCARD QUESTION

Front

What does the atomic number tell us about an element?

Back

It tells us the number of protons in the element.

5.

FLASHCARD QUESTION

Front

If an element has an atomic number of 11, how many protons does it have?

Back

11

6.

FLASHCARD QUESTION

Front

What is the relationship between atomic number and neutrons?

Back

The atomic number does not indicate the number of neutrons; neutrons are calculated by subtracting the atomic number from the atomic mass.

7.

FLASHCARD QUESTION

Front

How many neutrons are in Fluorine (atomic number 9, atomic mass 19)?

Back

10

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