Use the drop-down menus to show the development of the atomic theory from the oldest theory (1) to the most recent theory (5).

Bohr:

Dalton:

Rutherford:

Schrödinger and others:

Thomson:

How many kilograms are in 12321 grams?

During a total lunar eclipse, the moon a. moves into earth's umbra. b. moves outside earth's shadow. c. moves into earth's penumbra. d. moves into the sun's umbra.

True or false: in a system, structures, cycles, and processes do not interact with each other, but rather, stand alone.

Driving while sleep impaired is much safer than driving while intoxicated.

Why is it important to consider experimental error in all the empirical results presented?

What happens to the lights in a series circuit?

Which elements would you expect to be similar to technetium

2. Weight is a force from gravity pulling down on any object with mass. True False

A 0.9 kg football is thrown with a velocity of 22.0 m/s to the right. A stationary receiver catches the ball and brings it to rest in 0.06 seconds. What is the force exerted on the receiver?

water waves carry particles of water in the same direction that the wave is traveling. True or False?