Terms (mod 5)
Compounds made of only two elements
What are binary compounds?
Flourine, F, forms a binary ionic compound with Lithium, LI. The name of this compound is this.
What is lithium flouride?
A chemical reaction in which a substance reacts rapidly with oxygen, often producing light and heat.
The substances that are present before a reaction takes place are called this.
What are reactants?
H
What is hydrogen?
A covalently bonded group of atoms that has a positive or negative charge and acts as a unit.
What are polyatomic ions?
The name iron (III) indicates that compound contains this.
What are iron ions with a 3+ charge?
A chemical reaction in which two or more substances react to form a single compound.
What is a synthesis reaction?
A gas that is always present in a combustion reaction.
F
What is flourine?
An amount of a substance that contains approximately 6.02 x 1023 particles of a the substance
What is a mole?
The prefix of the second word in the name carbon dioxide indicates this.
What is the molecule contains 2 oxygen atoms?
A chemical reaction in which a compound breaks down into two or more simpler substances.
What is a decomposition reaction?
What is chemical energy?
What is chlorine?
A chemical reaction that releases energy to its surroundings
What is an exothermic reaction?
The formula of an ionic compound describes this.
What is the ratio of the ions in the compound?
A chemical reaction in which one element takes the place of another in a compound
What is a single replacement reaction?
The general equation for a decomposition reaction
What is AB -------> A + B
Br
What is Bromine?
A chemical reaction that absorbs energy from its surroundings.
What is an endothermic reaction?
The general equation for a synthesis reaction.
What is A+B ------> AB?
A chemical reaction in which two compounds exchange positive ions and form new compounds.
What is a double replacement reaction?
The type of replacement reaction in this equation
Cu + 2AgNO3 --------> 2 Ag + Cu(NO3)2
What is double replacement reaction?
I
What is iodine?