Search Header Logo

Atomic Number, Atomic Mass and Isotope Practice

Authored by Jess Racine

Chemistry

9th - 12th Grade

NGSS covered

Used 7+ times

Atomic Number, Atomic Mass and Isotope Practice
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

10 questions

Show all answers

1.

DROPDOWN QUESTION

15 mins • 1 pt

Media Image

The most common isiopte of gallium has a mass number ​ of ​ ​ (a)  

70
31
69

Tags

NGSS.MS-PS1-1

2.

MATCH QUESTION

15 mins • 5 pts

Match the following elements to the correct description

has 17 protons in its nucleus

fluorine, F

has 9 electrons in a neutral atom

carbon, C

noble gas

neon, Ne

most comon isotope has 6 neutrons

chlorine, Cl

most common isotope has a mass of 24

magnesium, Mg

Tags

NGSS.MS-PS1-1

3.

LABELLING QUESTION

15 mins • 5 pts

Label the parts of the atom. Not all labels will be used!

a
b
c
d
e
compound
neutron
nucelus
proton
electron
electron cloud

Tags

NGSS.MS-PS1-1

4.

MATCH QUESTION

15 mins • 5 pts

Match the following descriptions to the best term

nucleus

if you change the number of neutrons you get a different...

neutrons

the mass of the atom is found here

element

if you change the number of protons you get a different...

protons & neutrons

an isotope has the same number of protons but a different number of...

mass

these are in the nucleus

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

The most common isotope of sodium has how many neutrons?

23

11

2, 8, 1

12

Tags

NGSS.MS-PS1-1

6.

LABELLING QUESTION

15 mins • 3 pts

Label the following isotope symbol. Not all labels will be used!

a
b
c

Atomic number

Element Symbol

Mass Number

number of neutron

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A certain atom of oxygen contains 8 protons, 8 neutrons, & 8 electrons. Another atom of unknown identity contains 9 protons. Which of the following MUST be true about this unidentified atom?

It has 9 neutrons in its nucleus.

It is an isotope of oxygen.

Its atomic mass is a decimal number.

It cannot be an atom of oxygen.

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?