Calculate the density of an object that has a mass of 50.7 g and displaces 8.9 mL of water.

8. Stephen performed an experiment to see how listening to music affects a student's test scores. He had Group A listen to music and Group B listen to no music while studying.

A bag filled with gas is more effective at preventing injuries in a car accident than a bag filled with water because___.

What is found at the bottom of an element's square on the periodic table?

Which element has an atom with the greatest tendency to attract electrons in a chemical bond? 1) carbon 2) neon 3) fluorine 4) sulfur

How dose the gravitational potential energy of a coaster A compare with that of coaster B

The definition of volume is? a) width*height b) the space occupied by mass c) the space occupied by a liquid d) the mass of liquid required to fill a container

What is the empirical formula of a substance that is 53.5% C, 15.5% H, 31.1% N?

What is the lowest layer of the atmosphere and what is its highest altitude?

An atom that has 84 protons and 86 neutrons undergoes a reaction. At the end of the reaction, it has 82 protons and 84 neutrons. What happened to the atom?

A compound of material formed by a chemical is known as?