What determines an element's emission spectrum?

O A. The size of the sample

O B. The mass of the nucleus

O C. The electron energy levels

O D. The number of protons

Milk of magnesia is a sparingly soluble suspension of magnesium hydroxide in water. it acts as an antacid by neutralizing hydrochloric acid (hcl) in the stomach.

which term correctly describes all of the following materials (salt water, vinegar, bronze, air, beach sand

Aluminum, carbon, and calcium are examples of what type of matter? Element Heterogeneous Mixture Compound Solution

use the following formulas to answer. P=F/A P1V1=P2V2 sam shoots an arrow towards the target. if the tip of the arrow has an area of 15cm^3 and a force of 25N, what is the pressure

Which of the following conditions would decrease the ability of a person to hear a sound? A. The distance to the sound source becomes shorter. B. A wave loses energy as it moves through a medium. C.

A 25 N and 5 N force pull to the right. Friction is 10 N. If the object is 5 kg, find the net force and acceleration.

What properties of matter are intensive independent of their size

What is the density of an object having a mass of 8.0g and a volume of 25cm3

What is a Cilla? (In drawing)

Which term names the group of organisms able to interbreed and produce fertile offspring?