SCND Chem Unit Test 2 Flashcards
What are Ionic bonds?
What elements are involved?
Transfer or share?
type chemical bonding of the attraction between oppositely charged ions
transfer
metals and non metals
what are covalent bonds?
What elements are involved?
Transfer or share?
a chemical bond that involves the sharing of electron pairs between atoms
share
non metals
What is a polyatomic ion?
cations or anions?
do they form ionic bonds
covalently bonded set of two or more atoms
both
yes
What is a multivalent metal?
Transition metals capable of having multiple charges
What are the 4 types of reactions?
synthesis
decomposition
single and double displacement
What is combustion?
The burning of hydrocarbon in presence of oxygen
yields carbon dioxide and water
The ionic compound (salt) produced in the neutralization of sodium hydroxide with hydrochloric acids is…
NaOH + HCl —> NaCl + H2O
Properties of Acids
contain hydrogen corrosive less than 7 on pH scale conduct electricity reacts with metals and bases
Properties of Bases
contain hydroxide corrosive bitter conducts electricity above 7 on pH scale
another word for basic?
Alkaline
What is similar about acids and bases?
both dissociate in water to be able to conduct electricity
both react with each other
What is a salt?
substance produced by the reaction of an acid with a base
process of neutralization
