Isotope Ions Average Atomic Mass

Isotope Ions Average Atomic Mass

9th - 10th Grade

10 Qs

quiz-placeholder

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Isotope Ions Average Atomic Mass

Isotope Ions Average Atomic Mass

Assessment

Quiz

Chemistry

9th - 10th Grade

Hard

NGSS
HS-PS1-1, MS-PS1-1, HS-PS1-8

Standards-aligned

Created by

Charles Martinez

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
What is the average mass of this element?
74.92 amu
24.97 amu
75.01 amu
74.51 amu

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
How many protons does this element have?
32
33
34
no way to know

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcium has three different isotopes. One has a mass of 35.00 amu; another has a mass of 41.00 amu; and another has a mass of 40.00 amu. Which isotope is the most abundant of the three?
40.00 amu
41.00 amu
35.00 amu
impossible to tell

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An element has three different isotopes. One has a mass of 35.00 amu; another has a mass of 36.00  amu; and another has a mass of 38.00  amu. What is the average atomic mass of this element?
36.33 amu
37.00 amu
12.11 amu
impossible to tell

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
What does the 1.00794 stand for?
Hydrogen
atomic number
atomic mass
atomic explosion

Tags

NGSS.HS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Atom 1 has Mass=12  Protons=6
Atom 2 has Mass= 14 Electrons=6
Are these atoms isotopes of each other or different elements?
Different Elements - Mg & Si
Different Elements - Ar & Ca
Isotopes of Carbon
Isotopes of Magnesium

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Isotopes have different numbers of
protons
neutrons
electron
properties

Tags

NGSS.HS-PS1-8

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