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Unit 7- Atomic Structure Review

Authored by Tess Miller

Science

9th - 12th Grade

NGSS covered

Used 1+ times

Unit 7- Atomic Structure Review
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35 questions

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1.

MATCH QUESTION

15 mins • 3 pts

Match the Following

The smallest unit of an element that keeps the element’s chemical properties.

Atom

Particles with a neutral charge found in the nucleus of an atom.

Proton

A substance that cannot be broken down into simpler substances by chemical means.

Neutron

The dense center of an atom containing protons and neutrons.

Element

Positively charged particles found in the nucleus of an atom.

Nucleus

Tags

NGSS.MS-PS1-1

2.

MATCH QUESTION

15 mins • 3 pts

Match the following

The average number of protons and neutrons in one atom of an element.

Atomic Mass/Mass Number

Horizontal rows of elements that have the same number of electron shells. 

Family/Group

Vertical columns of elements that have the same amount of valence electrons.

15) Metal

All known elements arranged in order by atomic number.

Periodic Table

Elements that are malleable, ductile, and good conductors; typically shiny.

Period

Tags

NGSS.MS-PS1-1

3.

MATCH QUESTION

15 mins • 3 pts

Match the following

Elements that are brittle, poor conductors, and have low melting and boiling points.

Metal

An element that has properties that fall between metals and nonmetals.

 Nonmetal

Elements that are ductile, malleable, and have luster.

Metalloid

4.

REORDER QUESTION

15 mins • 5 pts

Using a periodic table (you can use the one in the textbook) order the following elements by # of valence electrons, least to greatest.

Carbon

Oxygen

Barium

Potassium

Neon

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

How many electron shells does the pictured atom have?

1

2

3

4

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

How many valence electrons does the pictured atom have?

20

3

2

4

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The atomic number identifies the number of __________.

electrons

atoms

protons

neutrons

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