Atoms Reactivity

Atoms Reactivity

7th Grade

15 Qs

quiz-placeholder

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Atoms Reactivity

Atoms Reactivity

Assessment

Quiz

Science

7th Grade

Practice Problem

Hard

NGSS
MS-PS1-2, MS-PS1-1

Standards-aligned

Created by

Charles Martinez

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many valence electrons are found in atoms of group 14?

4
3
14
16

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which group has the greatest number of valence electrons?

1
14
18
16

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many valence electrons are found in atoms of group 15?

4
5
2
3

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many valence electrons are found in atoms of group 1?

7
6
4
1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are valence electrons?

The total number of electrons in an atom

The number of electrons in the outermost shell

The number of electrons in the second shell

The number of protons in the outermost shell

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which elements have the most similar chemical properties?

boron and carbon

oxygen and sulfur

aluminum and bromine

argon and silicon

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All atoms are most stable with (or would "prefer") how many electrons in their valence shell?

1

2

8

18

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