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Science

9th Grade

NGSS covered

Used 70+ times

Isotopes and Average Atomic Mass
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28 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many neutrons in C-14?

6
7
14
8

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many protons does this isotope of titanium have?

48
22
26
70

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

Media Image

How many neutrons does the isotope of lithium have?

8
3
4
5

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many neutrons does uranium-235 have?

238
92
146
143

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What do these isotopes of carbon all have in common?

neutrons & mass number
atomic number and neutrons
atomic number and electrons
protons, atomic number, and mass number

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

Media Image

In a correctly written symbol what would be located in the "A" position?

number of neutrons
atomic number
number of electrons 
mass number

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What quantities vary between isotopes of an element?

protons, electrons, and atomic mass
protons, electrons, and atomic number
neutrons and electrons
neutrons and atomic mass

Tags

NGSS.HS-PS1-8

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