Democritus thought that matter was made of tiny particles

of earth, air, fire, and water.

that were all round and smooth.

that could not be divided.

that could be divided.

Is the square root of 0.29 irrational?

Calculate the number of moles of solute present in each of the following solutions. Part A 255mL of 1.70M HNO3 (aq) Part B 45.0mg of an aqueous solution that is 1.35m NaCl.

Which atom is least likely to form an ion? which atom is least likely to form an ion? carbon, c aluminum, al bromine, br phosphorus, p?

4.8 kg of sulfur dioxide contains how many molecules?

Describe 3 major parts of a circuit

The most important reason why solid sodium hydroxide is not used as a primary standard is

plate a and plate b are both continental plates. what is ghe most likely result if the two plates collide?

According to the second law of thermodynamics, the entropy of any system always increases. According to the second law of thermodynamics, the entropy of any system always increases. True False

If the density of Cu is 8.96g/cm cubed, what is the volume of 28kg of Cu?

A piece of iron can change in different ways. How is iron bending different from iron rusting?