building blocks
Reactions
numbers
chemicals
misc
100
This is the smallest part of an element
What is an atom
100
The abbreviation for reaction
What is rxn
100
a number below an element in a chemical equation
What is a subscript
100
The formula for hydrochloric acid
What is HCl
100
Type of reaction in which compounds are broken down into more simple things
What is decomposition reaction
200
What has different properties than the elements that compose it.
What is a Compound
200
These chemicals are found on the right side of the arrow in a chemical reaction
What are products
200
a number in front an element or molcule in a chemical equation
What is coefficient
200
The formula for hydrogen peroxide
What is H2O2
200
a reaction in which heat, light, sound is given off
What is exothermic
300
Protons and neutrons are parts of an atom which are found in the ____________
What is the nucleus
300
The chemicals which go into a chemical reaction
What are reactants
300
When a chemical equation has the same number of elements on each side of the arrow.
What is a balanced equation
300
A catalyst in used with H2O2 to make oxygen
What is Mn04 or Manganese dioxide
300
A reaction in which heat is absorbed into the reaction
What is endothermic
400
The combination of two or more atoms make this
What is a molecule
400
This gets a chemical reaction started but does not get involved chemically.
What is a catalyst
400
When combining ions the positive numbers and the negative numbers must add up to this
What is zero
400
metal reacted with HCl to make hydrogen gas
What is zinc of Magnesium
400
A reaction in which chemicals are replaced by other chemicals
What is a replacement reaction
500
The simplest type of substance and cannot be broken down into any other substances.
What is an element
500
This type of reaction makes a new product
What is a synthesis reaction
500
The number of elements at the beggining of a reaction is the same at the end of the reaction.
What is conservation of matter/mass
500
Chemical name for vinegar
What is acetic acid
500
A solid which forms as the result of a chemical reaction
What is a precipitate
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