final exam S2
final exam S2
what is the correct formula for sodium sulfide? Na2so3
9 different prefixes of molecular compounds. 1-mono 2-di 3-tal 4-tena 5-penta 6- hexa 7-hepta 8-octa 9-nona
what is the name of H2SO3. sulfurous acid
differences between molecular and ionic compounds? melting point, boiling point, physical properties, they are usually solid.
in any chemical compound the elements are always combined in the same proportion by. Mass
what information is needed to calculate the percent compostion of a compound? cu so4 5h2o
1 mol of c= 12g 1 mol of c= 6.02x10 to the 24th
empirical, can not be broken down. molecular can be broken down.
catalyst- speeds up a reaction but is not part of the actual equation/ reaction.
in a properly balanced chemical equation each side of the equation has the same number of atoms.
chemical equation that has occurred, products has a gas, water, participate.
what is conserved in all chemical reactions. mass, atoms
kinetic theory of matter? daltonslaw
what causes gas pressure in a container such as a helium balloon? particles hitting the sides of balloons.
ionic bond- taking electrons covenant- sharing electrons.
what type of ions have names endings in- ide? An ions-Negative binary ions
what is the correct name for s2- ion? sulfide
more than one common ionic charge the numerical value of the charge is indicated by a "roman number"
barium is a group 2A metal. which ion does Ba typically form? Ba2+
cat ions- are on left of periodic table and are positive. //An ions are on the right of the periodic table and are negative.
an ate/ ite and the end of the compound name usually indicates that the compound contains. Oxygen
how do you determine if the charges are correct in an ionic compound? sum to zero
how are chemical formulas of binary ionic compounds generally written? positive cation, Nacl negative ion.
how to determine a stock number when writing out the chemical formula of an ionic compound? stock number is equal to the + charge.