College Chemistry study set 4
Identify how many oxygen atoms are in each of the following compounds. (1) _ Pb3(PO3)4 (2) _ Al2(CO3)3
1. 12 2. 9
How many atoms are in each of the following compounds? (1) _ (NH4)3PO4 (2) _ Sn3(PO4)4
1. 20 2.23
Identify the shape of the following molecules. Choose from the following shapes: bent, trigonal, linear, tetrahedral, and pyramidal (1) _ H2O (2) _ CO2 (3) _ NH3 (4) _ CH4 (5) _ BH3
1. bent H2O 2. linear CO2 3. pyramidal NH3 4. tetrahedral CH4 5. trigonal BH3
Give the formulas for the following: (1) _ gallium sulfide (2) _ nickel (II) cyanide (3) _ disulfide tribromide
Ga2S3, Ga2 S3 gallium sulfide Ni(CN)2 nickel (II) cyanide S2Br3 disulfide tribromide
Identify how many electrons each of the following ions have. (1) _ sodium ion (2) _ chloride ion (3) _ aluminum ion (4) _ sulfide ion
Identify how many electrons each of the following ions have. (1) 10 sodium ion (2) 18 chloride ion (3) 10 aluminum ion (4) 18 sulfide ion
dictates molecular shape and determines whether or not a molecule will be polar
VSEPR theory
Which of the following are ionic compounds? Select all that apply. a. NaCl b. SO3 c. CaS d. CH4
a. NaCl c. CaS
a negative ion
anion
Which of the following are covalent compounds? Select all that apply. a. KCl b. CH4 c. HgI d. Al2O3
b. CH4
a positive ion
cation
a lasting attraction between atoms that enables the formation of chemical compounds
chemical bond
does not conduct electricity when dissolved in water
covalent
low melting point
covalent
results from a sharing of electrons
covalent bond
between two nonmetals
covalent compound
What family of elements do ions form in order to be like? a. Alkali Metals b. Alkali Earth Metals c. Halogens d. Noble Gases
d. Noble Gases
valence electrons are represented by dots placed around the chemical symbol
electron dot structures
the basic unit of ionic compounds
formula units
the result of an atom losing or gaining electrons
ion
Match the following conbinations of elements with which type of bond they form based on their electronegativities. polar or nonpolar or ionic C F
ionic
conducts electricity when dissolved in water
ionic
high melting point
ionic
the force of attraction between oppositely charged ions
ionic bond
between a metal and a nonmetal
ionic compound
Name the following compounds: (1) _ Pb(CrO4)2 (2) _ Mg3N2 (3) _ N6S4
lead (II) chromate Pb(CrO4)2 magnesium nitride Mg3N2 hexanitrogen tetrasulfide N6S4
the basic unit of covalent compounds
molecules
an ion that consists of only one type of element
monatomic ion
Match the following conbinations of elements with which type of bond they form based on their electronegativities. polar or nonpolar C H
nonpolar
Match the following conbinations of elements with which type of bond they form based on their electronegativities. polar or nonpolar C S
nonpolar
Match the following conbinations of elements with which type of bond they form based on their electronegativities. polar or nonpolar H I
nonpolar
equal sharing of electrons
nonpolar covalent bond
Match the following conbinations of elements with which type of bond they form based on their electronegativities. polar or nonpolar H Cl
polar
Match the following conbinations of elements with which type of bond they form based on their electronegativities. polar or nonpolar C Cl
polar
Match the following conbinations of elements with which type of bond they form based on their electronegativities. polar or nonpolar C O
polar
Match the following conbinations of elements with which type of bond they form based on their electronegativities. polar or nonpolar H Br
polar
Match the following conbinations of elements with which type of bond they form based on their electronegativities. polar or nonpolar H O
polar
Match the following conbinations of elements with which type of bond they form based on their electronegativities. polar or nonpolar N H
polar
unequal sharing of electrons
polar covalent bond
an ion that consists of two or more types of elements
polyatomic ion
shows the arrangement of atoms in the molecule of a compound
structural formulas