A mechanical wave moves through a medium, which can be (

a. a liquid (

b. a gas (

c. a solid (

d. all of the above

What is the difference between the carbon allotropes diamond and graphite

7) Sodium is much more apt to exist as a cation than chlorine because: a) chlorine is a gas and sodium is a solid b) chlorine has a greater electron affinity than sodium c) chlorine is bigger than sodium d) chlorine has a greater ionization energy

Place the following in order of increasing acid strength. HBrO2 HBrO3 HBrO HBrO4 A) HBrO2

Draw all possible lewis structures (including resonance structures for methyl azide (ch3n3 using lewis structure rules.

A student wants to compare how easily a metal and a plastic spoon of the same temperature can transfer thermal energy. Which of the following activities should the student perform? Measure the effort required to bend each spoon.

Question 1 A process in which suthetances chemically rearrange to form new substances o Molecule Energy o Organism O Chemical reaction O Matter O Cellular respiration

What are the uses of evaporative salts?

Which of the following are elements? O2 Ca KF B

Which of the characteristics below best describes organic compounds

Record the length of the line shown in millimeters