SLO 1 Chem Questions with Verified Correct
Answers
Complete equation
A written formula that shows the reactants on the left and the products on the right
Molecular equation
A standard balanced chemical equation where all reactants and products are written as neutral
whole formulas rather than as separate dissociated ions
Ionic equation
A chemical equation where dissolved ionic compounds are written as free separated ions
Reactant
A substance that takes part in and undergoes change during a reaction. A starting material
that is present ar the beginning of a chemical reaction.
Reagent
A substance used in a chemical reaction to detect, measure, examine, or produce other
substances. A substance or compound added to a system to cause a chemical reaction, or to
see if a reaction happens.
Product
A new susbtance formed after a chemical reaction takes place
Aqueous
A substance that is dissolved in water
Solid
, A state of matter with a fixed shape and a fixed volume. The molecules are packed tightly
together and stay in place. They vibrate instead of flowing around.
Liquid
A state of matter that has a fixed volume but no fixed shape. Molecules change to fit the
container and can flow and move freely. Organized together but not in a rigid pattern.
Gas
A state of matter where atoms or molecules have lots of space between them and move
around fast and randomly. No fixed shape or volume.
Spectator ions
An ion that stays the same on both sides of a chemical reaction. Ion that does not participate
in the reaction.
The four ions that are always soluble
NH4+, Na+, K+, No3-
Atomic number
The number of protons present in the nucleus of its atom.
Atomic mass
Total mass of a single atom. Sum of the masses of its protons, neutrons, and electrons.
Atomic weight is the average mass of an element's isotopes.
Cation
A positively charged ion
Anion
Answers
Complete equation
A written formula that shows the reactants on the left and the products on the right
Molecular equation
A standard balanced chemical equation where all reactants and products are written as neutral
whole formulas rather than as separate dissociated ions
Ionic equation
A chemical equation where dissolved ionic compounds are written as free separated ions
Reactant
A substance that takes part in and undergoes change during a reaction. A starting material
that is present ar the beginning of a chemical reaction.
Reagent
A substance used in a chemical reaction to detect, measure, examine, or produce other
substances. A substance or compound added to a system to cause a chemical reaction, or to
see if a reaction happens.
Product
A new susbtance formed after a chemical reaction takes place
Aqueous
A substance that is dissolved in water
Solid
, A state of matter with a fixed shape and a fixed volume. The molecules are packed tightly
together and stay in place. They vibrate instead of flowing around.
Liquid
A state of matter that has a fixed volume but no fixed shape. Molecules change to fit the
container and can flow and move freely. Organized together but not in a rigid pattern.
Gas
A state of matter where atoms or molecules have lots of space between them and move
around fast and randomly. No fixed shape or volume.
Spectator ions
An ion that stays the same on both sides of a chemical reaction. Ion that does not participate
in the reaction.
The four ions that are always soluble
NH4+, Na+, K+, No3-
Atomic number
The number of protons present in the nucleus of its atom.
Atomic mass
Total mass of a single atom. Sum of the masses of its protons, neutrons, and electrons.
Atomic weight is the average mass of an element's isotopes.
Cation
A positively charged ion
Anion
