Which one of the following is NOT a colloid? (There can be a multiple choice)

a. ocean water

b. butter

c. fog

d. mayonnaise

e. blood

What is salad dressing classified as

How Do Clownfish Catch Their Food?

Which of the following is two or more atoms (same or different) bound together? a. element b. molecule c. pure substance d. mixture

Arrange the following compounds from left to right in order of increasing percentage by mass of hydrogen: a) H2O, b) C12H26, c) N4H6, d) LiH.

One side of a cube is 5 cm long. what is the cubes volume

Distinguish between the terms accuracy and precision. In general, explain why a precise measurement does not always guarantee an accurate result.

Does it require more energy to melt an ionic compound or dissolve it in water? It requires much more energy to melt it. It takes about the same amount of energy. It requires much more energy to dissolve it. Ionic compounds are insoluble in water.

Which element has an ion that is smaller than an ion calcium? Potassium, strontium, cesium, magnesium

A peregrine falcon can travel 537,600 furlong/fortnight. A race car travels 212ft/s. A spider can jump with a maximum velocity of 9,000,000 cm/hr. Which travels the fastest?

how many energy levels (shells) does an atom of oxygen have? How do you know this by looking at the periodic table?