The nucleus of an atom has a positive charge because the nucleus contains

A covalent bond is the attraction of each atom's _______ for the shared pair of electrons.

Ionic bonds form as a result of the attraction between positive and negative _____

When an atom loses an electron:

The least reactive elements as a family are the ______.

If an element has 8 valence electrons is it stable or unstable?

A covalent bond in which electrons are shared unequally is a ______ bond.

An attraction between a positive metal ion and the electrons surrounding it ("sea of electrons") is called

A row across the periodic table is called a

An element's atomic number is its _____

The chemical bond that occurs when two atoms share electrons is called _____ _____

Pick two types of evidence that a chemical reaction has taken place.

What are three types of chemical reactions?

What is a reactant in a chemical equation?

substance to the left or right?

The minimum amount of energy needed to start a chemical reaction is called:

What are two ways that chemists can control the rates of a chemical reaction?

What are three things needed for combustion?

A _____ is the part in a solution that is present in the largest amount.

What is water's nickname?

Solutes _____ the freezing points of a solvent

_____ is the amount of solute dissolved in a certain amount of solvent or solution.

_____ is the measure of how much solute can dissolve in a solvent at a given time.

What are three factors that affect solubility?

How does temperature affect the solubility of a solid?

A compound that changes color when in contact with an acid or base is called an?

A ____ tastes bitter

A _____ tastes source

An atom of hydrogen that has lost it's electron is called a

HCl is an example of a _____

Cleaning products you find are ______

pH of water

A reaction between an acid and base is called

An ionic compound that can be made from the neutralization of an acid with a base is called a

What is a catalyst that speeds up chemical reactions called?

What is the process called that describes the breaking down of complex molecules of food into smaller molecules?

What is the ideal pH level for your mouth?

All organic compounds contain

A compound that only contains hydrogen and carbon is defined as a

The building blocks of proteins

Name three types of carbon chains

the 4 classes of organic compounds required by all living things:

What results from combining many hydrocarbons together?

Glucose is an example of

Compounds with the same chemical formula but different structures are called

Saturated hydrocarbons have the maximum number of ____ atoms

How many valence electrons does a carbon atom have?

What's an example of an acid?

What is an element?

Energy flows from...

Which scientist developed the modern Periodic Table of Elements?

A result of a chemical reaction includes (but is not limited to)... Check all that apply.