ABio Ch 2- Chemistry

Water's unequal sharing of electrons make it a ___________ molecule.  

What is asubstance that is formed when atoms of two or more elements jointogether?

How many protons does Phosphorous (P) have?

What charge do protons have?

Which 2 subatomic particles are found in the nucleus?

What is a characteristic of a substance that can be observed without changing the substance?

What is a reactant in the chemical reaction below?

What is the term for "water-loving" molecules that will dissolve in water?

Lemon juice is a _______________ because its pH is about 2.

What is the amount of material an object has?

What type of bond results from the sharing of one or more parts of electrons between atoms?

What is a number that tellswhether the substance is an acid or a base?

What do we call a substance that is formed in a chemical reaction?

Atoms want how many electrons in their outer energy shells?

Ice floating on liquid water is a result of......

What is a substance that givesaway a proton (H+)?

What is a solution that prevents changes in pH in living things?

What type of bond forms between different water molecules?

What tells you the total number of protons in an element?

What is the term for water sticking to itself?

What is a substance that releases a hydroxide ion (OH-)?

What charge do neutrons have?

What we call atoms of the same element with different numbers of neutrons?

Energy is stored and released in the _____________ of molecules.

How many neutrons does Nitrogen (N) have?

When at atom gains 1 electron it gets what charge?

Which of the following is not a function of radioisotopes?

What are substances that cannot be separated into other kinds of substances?

Which of the following is the strongest base?

What is the basic unit of matter?