tbh j bc i have more guy friends than girl friends doesnt mean im a h o e. all of my friends know im not a h o e. the only reason i have more guy friends is because girls judge ppl for wtvr they do and atleast my guy friends dont do that. and its not like id ever date them they knoe better than to make a move on me. yeah i d k j take the points.

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

What happens to isotopes that are unstable?