Quiz 2: Classification of Matter and Atomic Structure

A mixture that is NOT evenly distributed is called ....

• Compounded
• Homogenous
• Heterogenous
• Salty

Substance with atoms that are all alike.

• element
• compound
• homogeneous mixture
• heterogeneous mixture

This picture represents: 

• Element
• Compound
• Mixture of Elements
• Mixture of Compounds

Tags

NGSS.MS-PS1-1

Italian Salad Dressing is a . . .

• heterogeneous mixture
• homogeneous mixture
• Pure Substance
• Compound

A mixture that is so evenly mixed you can't see the parts.  Such as Kool-Aid

• Homogeneous Mixture
• Heterogeneous Mixture
• Pure Substance

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

• neutron

• proton

• electron

• valence electron

What is a subatomic particle with a negative charge? It is found in the electron cloud surrounding the nucleus.

• neutron

• proton

• electron

• electron cloud

How many protons does an aluminum atom have?

• 27

• 14

• 40

• 13

The mass number of an element that has 18 protons, 18 electrons, and 19 neutrons is _____.

• 12.5

• 13

• 25

• 37

Tags

NGSS.MS-PS1-1

What element has 9 protons, 9 electrons, and 10 neutrons?

• nitrogen

• oxygen

• fluorine

• neon

Tags

NGSS.MS-PS1-1