Basic Knowledge

Electrons are___________

• Extremely small even in comparison to protons.

• part of the nuclues.

• Super Positive, like cheerleaders!

• very large

Particles in an atom that are neutral and have no charge are

• negatrons

• electrons

• neutrons

• protons

In the modern periodic table, elements are arranged by:

• atomic mass

• atomic number

• valence electrons

• number of isotopes

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

Tags

NGSS.MS-PS1-1

what charge are neutrons and electrons

characteristic of metals

• good conductor

• malleable

• brittle

• poor conductor

Characteristics used to classify stars include:

• distance, size, and color.

• size, distance, and brightness.

• color, brightness, and distance.

• size, brightness, and temperature.

The Milky Way galaxy is an example of a(n)

• spiral galaxy

• globular cluster

• elliptical galaxy

• irregular galaxy

Click on the image: The star Procyon B has a surface temperature of 7,500°C and a low absolute brightness. What type of star is Procyon B?

• Blue supergiant

• Main Sequence

• Red Giant

• White dwarf

The higher the frequency the ______ the energy. 

• higher

• lower

• neither, stays the same

Tags

NGSS.MS-PS4-1