Module 4 Test Review

The number of protons and average neutrons is...

What is the chemical compound of hydrogen and oxygen?

What are ways to increase solubility?

A negatively charged subatomic particle that bonds with other atoms

A mixture that forms when one substance dissolves another.

A combination of two or more substances that are not chemically combined (physical combination)

The number of electrons in each orbital is known as...

There are many more of these compared to elements

pH 8-14; doesn't react with metals, feels slippery, tastes bitter

A column on the periodic table

Current model of the atom

A substance made up of atoms of two or more different elements joined by chemical bonds

Atomic number is the same as...

Outer orbital

pH 7; like water

Elements pulled to the bottom of the table for convenience

The maximum amount of solute that can be dissolved into a solvent at a certain temperature

A microscope used to study atoms

An inert gas in group 18 of the periodic table

pH 0-6; reacts with metals, tastes sour, can burn

Most of the elements on the periodic table

Horizontal row in the periodic table

A compound that creates hydrogen ions when dissolved in water

A pure substance made of only one kind of atom

Neutral particle that can vary in isotopes

Elements on the right side of the periodic table (except Hydrogen)

Atoms of the same element that have different numbers of neutrons

Charged atom

An element with an open valence

The substance in which the solute dissolves

What is used to represent compounds?

Can be poisonous or burn skin

Positively charged particle

A substance that is dissolved in a solution.

An element with an UNSTABLE nuclei that decays to giveoff dangerous radiation

Elements with properties that fall between those of metals and nonmetals

A measure of the amount of solute dissolved (diluted or strong)

An element with a closed valence