Have a few Science questions!!!?

Question

1. What does pH mean?

2.What is a compound?

3.What is a Isotope?

4.What is a inference?

5. What is Specific Heat?

Answer 1

1. A measure of the acidity or alkalinity of a solution, numerically equal to 7 for neutral solutions, increasing with increasing alkalinity and decreasing with increasing acidity. The pH scale commonly in use ranges from 0 to 14.

2.Compounds are pure substances made of atoms of two or more elements chemically combined in fixed ratios.

3.An isotope is a form of a chemical element whose atomic nucleus contains a specific number of neutrons, in addition to the number of protons that uniquely defines the element.

4.The act or process of deriving logical conclusions from premises known or assumed to be true.

5.ratio of the heat capacity of a substance to the heat capacity of a reference substance, usually water

Answer 2

Hun look this stuff up in your science book......