What is nearly all of an atom's mass made up of?

protons and neutrons

the cloud of protons

neutrons and electrons

the cloud of electrons

Which statement best describes the properties of sucrose? A. They are exactly like the properties of carbon (C). B. They are exactly like the properties of oxygen (O). C. They are exactly like the properties of hydrogen (H). D.

A graduated cylinder contains 49.2 mL of water. A 51.3-g piece of metal is carefully dropped into the cylinder. When the metal is completely covered with water, the water rises to the 56.1 mL mark. What is the density of the metal? a) 6.9 mL b) 6.

In going through the three physical states of matter, water would normally undergo changes in A) composition. B) density. C) mass. D) weight.

For most substances, the distance between the particles is smallest when the substance

The heisenberg uncertainty principle status that

Water is a colorless and odorless liquid. It can exist in solid, liquid, and gas states. It boils at 100 degrees C and melts at 0 degrees C. Which option best describes this information? A. These are the physical properties of water. B.

What can happen to a supersaturated silution?

What is the source for georthermal energy

What senses will we use only with permission from a teacher or adult in Physical Science Labs?

Where is chemistry used?