Which of the following is a noncontact force?

A.

magnetic forces

B.

electrical forces

C.

gravitational forces

D.

all of these

Name the element in Group 17, Period 2. (Periodic table)

Which element listed below would have chemical properties similar to fluorine?

What is the minimum number of moles of sodium borohydride required to fully reduce 0.55 grams of benzophenone? Enter only the number with two significant figures.

A chemical supply company sells sulfuric acid (H2SO4) in a concentration of 4.00 M. What volume of this solution would you need to make 12.0 mL of a 0.50 M H2SO4 solution? what is the volume needed?

Which is true of genes A - they are proteins that produce sections of DNA which control the cells activities.

6.00*10^7 + (1.44x10^-3 * 6.77x10^8)

A. monotomic ionic b. polyatomic covalent C. polyatomic ionic d. binary molecular 1 Sulfur hexafluoride is an example of a a. monatomic ion b. polyatomic ion chinary compound d. polyatomic compound

Which factor impacts the possible number of ways in which different atoms can be put together?

How many particles are in 1 mole of a substance?

Initially you dissolved all, or most, of the p-aminobenzoic acid in ethanol. then you slowly added sulfuric acid. as you did this, a large amount of white solid formed. during the course of the reaction, that white solid dissolved.