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Atomic Structure

Atomic Structure

Assessment

Presentation

Science

7th Grade

Practice Problem

Hard

NGSS
HS-PS1-1, HS-PS1-7, HS-PS1-8

+2

Standards-aligned

Created by

ROBERTO CUELLO

Used 1+ times

FREE Resource

8 Slides • 10 Questions

1

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Open Ended

Why is understanding atomic structure considered fundamental to the study of chemistry?

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Multiple Choice

Which of the following best describes an element?

1

A pure substance made of one type of atom

2

The smallest unit of matter

3

Anything that has mass and occupies space

4

A mixture of different atoms

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6

Multiple Choice

Which subatomic particle determines the identity (atomic number) of an element?

1

Proton

2

Neutron

3

Electron

4

Nucleus

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Multiple Select

Which of the following statements about the atomic nucleus are correct?

1

It contains protons and neutrons.

2

It occupies most of the atom's volume.

3

It contains over 99.9% of the atom's mass.

4

It is held together by the strong nuclear force.

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10

Open Ended

Describe how the arrangement of electrons in energy levels influences the chemical properties of an atom.

11

Fill in the Blank

Type answer...

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Open Ended

Explain how isotopes of the same element can have different physical properties even though they have the same number of protons.

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15

Multiple Choice

What happens to an atom when it gains one or more electrons?

1

It becomes a cation.

2

It becomes an anion.

3

It becomes neutral.

4

It loses protons.

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Fill in the Blank

Type answer...

18

Open Ended

How do atoms, elements, and matter relate to each other in the context of the basic units of matter?

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