Practice Test Unit 6.3

________ are units of measure obtained by combining two or more other units.

• Standard units

• Density units

• Metric units

• Derived units

Which instrument is used to measure liquid volume most accurately?

• Beaker

• Graduated Cylinder

• Balance

• Flask

What is the charge of the proton?

• Negative

• Neutral

• Positive

Where is the neutron located?

• Outside the nucleus in the electron cloud

• Inside the nucleus

Which statement describes the electron?

• It has mass but no charge

• It has no mass and a negative charge

• It has mass and a positive charge

• It has no mass and a neutral charge

Tags

NGSS.MS-PS2-3

What subatomic particle is represented at Q?

• Electron

• Nucleus

• Neutron

• Proton

Tags

NGSS.MS-PS1-1

What element has 14 protons in its nucleus?

• Sodium

• Magnesium

• Silicon

• Chlorine

Which element is characterized by 11 electrons, 12 neutrons, and 11 protons?

• Sodium

• magnesium

• Hydrogen

• Aluminum

Tags

NGSS.MS-PS1-1

Which of the following is not a property of nonmetals

• Dull

• insulator

• Luster

• Brittle

An atom of an element has the properties of: gaseous at room temperature, chemically stable, full outer energy level. What group would it be found in?

• 1, 1A

• 18, 8A

• 17, 7A

• 2, 2A