States of Matter
What are solid, liquid, and gas?
If you have a chemical equation with unbalanced elements, what principle is being violated?
The law of conservation of mass.
What is an exothermic reaction?
This type of reaction releases heat as it proceeds.
What term describes a solid with particles arranged in a repeating three-dimensional pattern?
What is a crystalline solid?
What is the chemical formula for table salt?
NaCI
This type of reaction involves the combination of two or more reactants to form a single product.
What is a synthesis reaction?
What is a gas?
What is the chemical formula for sugar (glucose)?
C6H12O6
A catalyst is a substance that affects a chemical reaction rate without being consumed in the reaction.
What is increased (or sped up)?
What phase change occurs when a gas turns into a liquid?
What is condensation?
What is the chemical formula for water?
H2O
What chemical formula must be written to the left of a chemical equation in order to balance the number of oxygen atoms?
Oxygen gas(O2)
What must happen for matter to change from one state to another?
What must it gain or lose energy?
Which type of chemical formula shows the arrangement of atoms within a molecule?
A structural formula
When do the breaking of chemical bonds release energy?
This is when the new chemical bonds are formed.