What is a heterogeneous mixture?

• a type of mixture in which the composition is uniform and every part of the solution has the same properties.

• a mixture of two or more chemical substances where the various components can be visually distinguished.

Each element has a unique ______ number.

• Proton

• Atomic

• Standard

• Matter

The basic unit of matter is

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

Tags

NGSS.MS-PS1-1

Which of these is an example of a molecule?

• a small nugget of pure gold
• the smallest grain of salt in a salt shaker
•  a small drop of sugar water
• two oxygen atoms joined to a carbon atom

Tags

NGSS.MS-PS1-1

Atoms of an element always have a certain number of

• neutrons
• protons
• electrons
• ions

The smallest unit of a compound that still has the properties of that compound is?

• an atom
• a molecule
• a mixture
• a substance

Tags

NGSS.MS-PS1-1

 blue berry muffin

• heterogeneous mixture
• homogeneous mixture

Tags

NGSS.5-PS1-4

Italian Salad Dressing

• heterogeneous mixture
• homogeneous mixture

A combination of 2 or more substances that cannot be easily separated is called- 

• a mixture
• a solution 
• a solute 
• a solvent 

A combination of two or more substances that cannot easily be separated--

• mixture
• solution
• solute
• solvent