Chemistry Fall Semester Review 2024

Chemistry Fall Semester Review 2024

Assessment

Flashcard

Chemistry

10th Grade

Hard

Created by

Quizizz Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What does the mass on the periodic table represent?

Back

The mass represents the atomic mass unit, and average atomic mass is calculated by taking the weighted average of all isotopes.

2.

FLASHCARD QUESTION

Front

How is average atomic mass calculated?

Back

Average atomic mass is calculated by taking the weighted average of all isotopes.

3.

FLASHCARD QUESTION

Front

Which has a greater number of particles: 2.1 mols of Pb or 2.4 mols of Si?

Back

2.4 mols of Si.

4.

FLASHCARD QUESTION

Front

What are the steps to convert from grams of a substance to atoms?

Back

1. Determine the molar mass. 2. Convert grams to moles. 3. Use Avogadro's number to find atoms.

5.

FLASHCARD QUESTION

Front

Define isotope.

Back

An isotope is a variant of a particular chemical element which differs in neutron number.

6.

FLASHCARD QUESTION

Front

What is the empirical formula for C₁₈H₃₄O₁₆?

Back

C₉H₁₇O₈.

7.

FLASHCARD QUESTION

Front

What is the empirical formula for H₄O₂?

Back

HO.

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?