Elements are placed into the same group on the periodic table of elements because they.....

Which equation satisfies the law of conservation of matter?

Biological buffers work to keep the pH in your body in a range of _______.

Which macromolecule is involved in nearly every function of the human body?

Which macromolecule is responsible for the formation of the cell's membrane?

Positively charge particles in an atom are called ________.

Two atoms of uranium that differ in their number of neutrons are called ____.

The hydrogen, oxygen, and carbon atoms in glucose molecule are held together by ______ bonds.

Ammonia is a compound that forms hydroxide ions when it is dissolved in water; it is a ______.

The branch of science that studies carbon its compound is called ______.

Identify the 4 most abundant elements found in living things.

T or F: Blood is a mixture.

Salt water is a compound.

Soil is a mixture.

Nitric acid is a mixture.

From the periodic table a person can determine the number of protons in an element.

It is impossible to determine the number of valence electrons that an elemental atom has from the periodic table.

All of the chemical bonds that form in the macromolecules of life are ionic.

Water is commonly called the universal solvent.

Water is a polar molecule.

Water can dissolve non-polar molecules.

In a mixture, the solvent gets dissolve non-polar molecules.

Mixtures can occur as solids, liquids, or gases.

Which macromolecule stores genetic information for an organism?