The basic building blocks of matter are called

An element is composed of only one kind of atom. Which of the following is an element?

When you add sugar to a glass of iced tea and stir, the sugar looks like it disappears. What really happened was that the tea and sugar formed a

What's a compound?

The pH scale tests the acidity of a substance, with values from 0 (acid) to 14 (base). A measurement of 12 on this scale would indicate a

Distilled water is pH tested to reveal a value of 7. This would mean that distilled water is

A solution with a pH of 7.5 is

An object or organism that has mass, takes up space and is either a liquid, solid or gas is

The boiling point is the temperature at which

Which of the following contains more energy?

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