atomic number & mass number

atomic number & mass number

by Fatima Dhaheri

https://phet.colorado.edu/en/simulations/build-an-atom

Multiple Choice

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Multiple Choice

What is the mass number defined as?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Multiple Choice

What is the atomic number of this atom?

• 1
• 3
• 4
• 7

Multiple Choice

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Multiple Choice

What is the atomic number of Barium, Ba? (enlarge the periodic table)

• 20

• 38

• 56

• 88

Multiple Choice

How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)

• Sodium has 1 proton.

• Sodium has 3 protons.

• Sodium has 11 protons

Multiple Choice

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Multiple Choice

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Multiple Choice

How many electrons does this atom have?

• 2

• 4

• 6

• 10

Atomic Number, Average Atomic Mass, Mass Number, Isotopes

Multiple Choice

What is the atomic number of this atom?

• 9
• 10
• 19
• 27

Multiple Choice

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above