A substance made up of two or more different types of atoms bonded together in different ratios
What is compound?
100
When atoms gain or lose electrons they form these and add the suffix -ide to the end of the negative ions formed.
What are ionic bonds?
100
These are used to tell how many atoms of an element there are in a molecule.
What is a subscript?
100
This reaction is shown by burning
What is combustion?
100
This has a low concentration of solute in its solution.
What is a dilute solution?
200
They have a crystal structure, can be brittle, are poor conductors of electricity in their solid state, and can conduct electricity when in a solution.
What is an ionic compound?
200
The part of the atom that is used in chemical bonds.
What is the electron?
200
This states that atoms are neither created or destroyed. All atoms present in the reactants are also present in the products.
What is The Law of Conservation of Mass?
200
This reaction forms a new compound by combining simpler reactants.
What is synthesis?
200
The main property of these is they break down completely into ions.
What is a strong acid?
300
This is the only common thread between polar covalent bonds and covalent bonds.
What is they both share electrons?
300
A pair of shared electrons between two atoms is called this.
What is a covelant bond?
300
These show the direction of a chemical reaction.
What is the arrow?
300
This speeds up reactions and is not used up in a reaction.
What is a catalyst?
300
These have a pH level of 8-14
What is a base?
400
Finish the sentence: Compounds have different properties from...
What is "The elements that make them."
400
The bond that allows metals to be shaped easily.
What is a metallic bond?
400
These are found at the beginning of an equation in science.
What is a reactant?
400
Color change is one evidence of these reactions.
What is chemical?
400
This is a mixture that is spread evenly throughout
What is a solution?
500
This element has different forms because of its bonds.
What is carbon?
500
Atoms held together by covalent bonds are called
What is a molecule?
500
The only way to balance a chemical equation is to add these numbers.
What are coefficients?
500
This is needed to break bonds of reactants and make products.
What is bond energy?
500
This has the maximum amount of dissolved solute at a given temperature