Explain why scientist use models to study atoms.

An electron is released from rest in a vacuum between two flat, parallel metal plates that are apart and are maintained at a constant electric potential difference of Volts.

An element whose physical properties are generally opposite of metals

A proton (? p = + ?, mp = 1.0 u; where u = unified mass unit ≃ 1.66 * 10-27kg), a deuteron (? = + ?, m? = 2.0 u) and an alpha particle (? = + 2?, m? = 4.

True or False: Graphs provide a good visual representation of the relationships between the factors investigated in an experiment?

The minimum cooking temperature for eggs that will be served immediately is

The slope of the line on any speed vs time graph is equal to the objects?

True or False? a globular cluster is a group of older stars that are clustered together.

The doppler effect is the change in observed frequency due to

Which of the following is NOT a vector quantity? (A) Acceleration (B) Average velocity (C) Linear momentum (D) Potential energy (E) Force

Which of Newton's laws of motion is demonstrated by a hammer pounding a nail into a board