IAPS - Unit B Midpoint Test Practice Exam
Updated ACTUAL QUESTIONS AND
CORRECT ANSWERS
Protons - CORRECT ANSWER Positively charged particles
Neutron - CORRECT ANSWER No charge
Electrons - CORRECT ANSWER Negatively charged particles
Isotopes - CORRECT ANSWER Atoms of the same element that have different
numbers of neutrons
Ions - CORRECT ANSWER Atoms that have gained or lost electrons
Anion - CORRECT ANSWER A negatively charged ion
Cation - CORRECT ANSWER A positively charged ion
Synthesis - CORRECT ANSWER Two or more reactants combine to form one product
Decomposition - CORRECT ANSWER One or more reactant is broken down into two
or more products
Single replacement - CORRECT ANSWER A compound reacts with an element to
form a new compound and a different element
Double Replacement - CORRECT ANSWER Two compounds react to form two
different compounds
Updated ACTUAL QUESTIONS AND
CORRECT ANSWERS
Protons - CORRECT ANSWER Positively charged particles
Neutron - CORRECT ANSWER No charge
Electrons - CORRECT ANSWER Negatively charged particles
Isotopes - CORRECT ANSWER Atoms of the same element that have different
numbers of neutrons
Ions - CORRECT ANSWER Atoms that have gained or lost electrons
Anion - CORRECT ANSWER A negatively charged ion
Cation - CORRECT ANSWER A positively charged ion
Synthesis - CORRECT ANSWER Two or more reactants combine to form one product
Decomposition - CORRECT ANSWER One or more reactant is broken down into two
or more products
Single replacement - CORRECT ANSWER A compound reacts with an element to
form a new compound and a different element
Double Replacement - CORRECT ANSWER Two compounds react to form two
different compounds
