Physical Science Midterm
Flashcard
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What does the name 'dinitrogen tetroxide' indicate about the compound's composition?
Back
It contains two nitrogen atoms and four oxygen atoms.
2.
FLASHCARD QUESTION
Front
Which substance is a gas at 45°C?
Back
Methane.
3.
FLASHCARD QUESTION
Front
What happens to the speed of molecules when a substance changes from a gas to a liquid?
Back
The speed of the molecules decreases, because they have lower kinetic energy in the liquid state.
4.
FLASHCARD QUESTION
Front
How many electrons does a neutral atom of Beryllium have?
Back
4.
5.
FLASHCARD QUESTION
Front
Which pair of elements has similar chemical properties according to the periodic table?
Back
Aluminum (Al) and Gallium (Ga).
6.
FLASHCARD QUESTION
Front
Define a covalent compound.
Back
A chemical compound formed by the sharing of electrons between atoms.
7.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
The energy that an object possesses due to its motion.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
Already have an account?
