Size of Atoms

Size of Atoms

9th Grade

20 Qs

quiz-placeholder

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Size of Atoms

Size of Atoms

Assessment

Quiz

Chemistry

9th Grade

Hard

NGSS
HS-PS1-1, HS-PS1-2

Standards-aligned

Created by

Charles Martinez

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which atom has the largest atomic radius?

potassium

rubidium

francium

cesium

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

As you move down the periodic table atoms get bigger.  This is because ____________.
The atoms have more mass.
The atoms have more protons.
The atoms have more energy levels
The atoms have more nuetrons

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As you move across the periodic table atoms tend to get smaller because, ______________.
the atoms have more mass.
the atoms have less mass
the atoms have more protons.
the atoms have less electrons.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Metals are good conductors of heat and electricity.
true
false

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The atom with the largest atomic radius in Group 18 is - 
Ar
He
Kr
Rn

Tags

NGSS.HS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement correctly and completely identifies a trend?

Atomic radius decreases across a period and increases down a group.

Electronegativity decreases across a period and decreases down a group.

Ionization energy increases across a period and increases down a group.

Ionic radius increases across a period and increases down a group.

Tags

NGSS.HS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following will have a larger radius than Zinc?
Gallium
Aluminum
Magnesium
Strontium

Tags

NGSS.HS-PS1-1

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