Chapter 1 Matter & Atoms 7th grade

Matter can be classified as two different things what are they?

• Mixtures and substances.

• Substances and elements.

• Elements and mixtures.

• Matter and atoms.

A mixture in which two or more substances are evenly mixed but are not bonded togather is?

• A homogeneous mixture.

• A heterogeneous mixture.

• A mixture.

• A solution.

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1

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

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

The smallest unit of an element that still has the properties of that element is?

• a substance
• a mixture
• a compound
• an atom

Tags

NGSS.MS-PS1-1

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

Another name for a homogeneous mixture is 

• an element.
• a solution.
• a compound.

Kool-Aid - Powder, sugar, and water
Identify the solvent 

• water
• powder
• sugar
• powder and sugar