What is the atomic number of 24 and 12 Mg

which statement about waves is false? a. waves transfer matter b. waves can change direction c. waves can interact with each other d. waves can transfer energy to matter

The Sun is about 150 million km from earth. how long does it take light from the sun to reach earth? (Speed of light is 3x10^8m/s)

What region of the atom determines the volume of the atom

The transfer of heat through the movement of a gas or liquid A. convection B. conduction C. Radiation

Why you do scientists collect multiple trials?

A solar eclipse will occur Group of answer choices 1. at every full Moon. during every new Moon. 2. at full Moon only when the Moon is on the ecliptic. 3. at new Moon only when the Moon is on the ecliptic.

What happens when energy in the molecules of an ice cube when it begins to melt

ll of mass m is thrown vertically upward with an initial speed of v0. It experiences a force of air resistance given by F = - kv, where k is a positive constant. The positive direction for all vector quantities is upward.

When combing your hair, you scuff electrons from your hair onto the comb. is your hair then positively or negatively charged? how about the comb?

A 4 kg mass is in free fall. What is the velocity of the mass after 11 seconds