Unit 2

The atom is the building block of all matter

• True

• False

Tags

NGSS.MS-PS1-1

Knowing the properties of a pure substance, can NOT help you identify it from all others

• True

• False

A Carbon atom (and most other elements) are unstable with eight electrons in their valence shell.

• True

• False

As long as a solvent continues to dissolve a solute at at given temperature, the solution is said to be saturated

• True

• False

Chicken noodle soup is an example of a

• homogeneous mixture
• heterogeneous mixture

Formed by chemically bonding two or more elements.

• Heterogeneous Mixture

• Homogeneous Mixture

• Compound

• None of these

Tags

NGSS.MS-PS1-1

What does a represent?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

What charge does an electron have?

• Negative
• Positive
• Neutral
• Contrated

In this picture, the Electrons are found in which color?

• Blue
• Red
• Green

Sodium and chlorine are elements that combine to form

• Compound

• table salt

• Both of these

• none of these

Tags

NGSS.MS-PS1-1