Chapter 2 Quiz

Which two particles make up the nucleus of an atom?

• protons and electrons
• protons and neutrons
• molecules and compounds
• neutrons and electrons

What is the charge of an electron? 

• positive
• neutral
• negative

What are valence electrons?

• electrons on the first orbital always
• nucleus
• the outermost shell
• the number of electrons on the outermost orbital

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

Which letter represents an electron?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

What is the element name of the atom pictured? 

• Fluorine
• Neon
• Argon
• Potassium

Attraction between molecules that are the same:

• adhesion
• density
• cohesion

The property of a molecule with oppositely charged ends, because of it, water is able to dissolve many different substances:

• polarity
• adhesion
• surface tension

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

A Compound that is being dissolved is called a

• Solution
• Solute
• Solvent
• Suspension