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Classification and properties of matter
Ionic compounds
Molecular compounds
Balancing chemical equations
acids and bases
100
physical and chemical properties.
What properties does matter have?
100
lithium Oxide
What is the name for LI2O?
100
Covalent bonds
What are molecular compounds made of?
100
a representation of a chemical reaction in which the formulas of the reactants are connected to the formulas of the products by an arrow.
What is a skeleton equation?
100
animal cell and plant cell
What are two types of cells
200
a characteristic behavior that occurs when a substance to a new substance.
What is a chemical property?
200
Ionic compounds are made of ionic bonds. metal and non metal.
What are ionic compounds made of?
200
An ellectrical neutral group of two or more atoms held together by covalent chemical bonds.
What is a molecular compound?
200
it is false that atoms can be created and destroyed in a chemical change.
true or false atoms can be created and destroyed in a chemical change.
200
prokaryotic cells and eukaryotic cells
What are two basic groups of cells?
300
a characteristic of a substance.
What is a physical property?
300
mtal and non metals combine to form ionic compounds by transferring electrons.
how do metals and non metals combine to form ionic compounds?
300
it is true that sugar is a molecular compound
true or false sugar is a molecular compoud
300
change the number of molecules rather than their formulas.
how can you balance a chemical equation?
300
primitive cells that have no true nucleus but have chromosomes that are loosed coiled or in a ring shape floating in the cell.
What is a prokaryotic cell?
400
its true that a change in the size or form of a substance, which does not change the chemical properties of the substance is called a physical change.
true or false, a change in the size or form of a substance, which does not change the chemical properties of the substance is called a physical change.
400
groups of atoms that stay together as a unit.
What are polyatomic compouds?
400
a shared pair of electrons held between two non metal atoms that holds the atoms together in a molecule.
What is a colvalent bond?
400
a coefficient
What is the number written in front of the chemical symbol or formula?
400
complex cells that have no true nucleus with a membrane and the chromosomes are kept inside the nucleus.
What is an eukaryotic cell?