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Quiz - Isotopes, Ions, and Atoms

Authored by Justin Foley

Chemistry

9th - 11th Grade

21 Questions

NGSS covered

Used 42+ times

Quiz - Isotopes, Ions, and Atoms
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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many neutrons does the isotope below have?     89 36Kr

53
36
89
125

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is most likely to form a negative ion?

an element from group 17
a metal
an element from group 1
an element with atoms that have eight valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When an atom loses a valence electron, it becomes a(n) _____________ ion.

positive
negative
neutral
polyatomic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many electrons does O-2 (oxide ion) have?

8
10
6
18

Tags

NGSS.HS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many electrons does Mg+2 (magnesium ion) have?

10
12
14
22

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

An atom of which element is represented in the following Bohr model?

K

Na

Li

Cl

Tags

NGSS.HS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many valence electrons does a neutral atom of sulfur contain?

1

4

6

8

Tags

NGSS.HS-PS1-1

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