Atomic Mass

Match

Match the following elements with their atomic number

• Copper

• Hydrogen

• Oxygen

• Iron

• Gold

29

1

8

26

79

• 29

• 1

• 8

• 26

• 79

Multiple Select

Which subatomic particle(s) is/are responsible for the charge of an ion?

• Protons

• Neutrons

• Electrons

• Quarks

Multiple Choice

If Magnesium (Mg) has a mass of 25, how many neutrons does it have?

• 10
• 13
• 20
• 15

Multiple Choice

What subatomic particle is found on the orbital of an atom?

• Protons

• Neutrons

• Electrons

• Quarks

Multiple Choice

Given the breakdown which category has the biggest impact on your overall grade?

• Quizzes

• Class Participation

• Tests

• Homework

Multiple Choice

Given the breakdown, which category has the smallest impact on your overall grade?

• Quizzes

• Class Participation

• Tests

• Homework

Multiple Choice

True or False:

You can get 70% on all tests/quizzes and still end with a 90% in class as long as you do all the homework and participate in class

• True

• False

Math Response

Write 45% as a decimal

Type answer here

Correct Answer: .45

Deg^°

Rad

Math Response

Write 80.6% as a decimal

Type answer here

Correct Answer: .806

Deg^°

Rad

Math Response

Write 6.8% as a decimal

Type answer here

Correct Answer: .068

Deg^°

Rad

Math Response

Write .54% as a decimal

Type answer here

Correct Answer: .0054

Deg^°

Rad

Multiple Choice

Given the chart, which isotope is going to have the biggest impact on the atomic weight?

• Ne-20

• Ne-21

• Ne-22

Multiple Choice

An element has two isotopes. Isotope A has a mass of 10 amu and an abundance of 20%, while Isotope B has a mass of 11 amu and an abundance of 80%. What is the average atomic mass of the element?

• 10.2 amu

• 10.8 amu

• 11.0 amu

• 10.5 amu