An atom:

1) is the smallest whole unit of matter

2) can form one or more elements

3) is the smallest whole unit of matter with the properties of a specific element

4) all of the above

A 52.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 75.0 g of water at 24.0°C. The final temperature of the system was found to be 28.4°C. Calculate the specific heat of the metal.

What is the mass of: 5.00 x 10^-2 mol CuCl2

If you put a straw into a glass of water, the straw looks to be bent, although nothing has physically happened to the straw. The term that describes this property of light is A) absorption. B) diffraction. C) reflection. D) refraction.

What happens to concentration of a saturated solution if you add pure water to it

Answers for cardiovascular system crossword puzzle

No two different elements will have the atomic number.-

Which two scenarios illustrate the relationship between pressure and volume as described by Boyle's law? 1. The pressure in a closed bottle decreases when the bottle is squeezed. 2.

0.210 mol of octane is allowed to react with 0.760 mol of oxygen. which is the limiting reactant?

The national drug code number (NDC) of the drug is included in this section of a drug monograph

Which plants convert trash into energy? plants convert trash into energy. The energy produced is known as