College Chemistry study set 4

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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


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