Module 5 Test Flashcards
When do single place reactions occurn?
when a cation bonds with the anion of another compound
Describe decomposition reactions
1 reactant that breaks down into 2 or more products
Roman numerals with transition metals indicate the ___
charge
When energy is on the product’s side of a reaction, the reaction is ___
exothermic
What are the substances that are present before a reaction takes place called?
reactants
What are some true statements about a synthesis reaction?
only one product is formed, a reactant might be a compound element or an element, the general formula is A + B > AB.
A ratio of ions indicate the ___ in a formula
subscripts
What does the prefix di- mean?
two
What element is always present as a reactant in a combustion reaction?
oxygen
How do you name an ionic compound?
put the cation first using the name of the atom, followed by the anion with the end changed to -ide
Describe synthesis reactions
2 reactants that bond to form 1 product
How many particles are there in 1 mole of any substance?
6.02 x 10^23
the total amount of energy before and after a chemical reaction is the same. Thus energy is ___
conserved
In a compound, where is the chemical energy stored?
bonds
What happens in a double replacement reaction?
anions swap in both reactants.
