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GENERAL CHEMISTRY 1305

An Ionic Compound ____________.

e) has a net charge of zero.

An Ionic Compound ____________.

a) has a net positive charge.
b) has a net negative charge.
c) contains only cations.
d) contains only anions.
e) has a net charge of zero.

e) Al2O3
The correct formula formed for a compound formed from the elements Al and O is__________.
a) MgS
The correct formula for the compound formed from the elements Mg and S is ___________.
c) FeCl3
Which one of the following compounds contains an ion with a 3+ charge?

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a) KCl
b) Na2O
c) FeCl3
d) CuCl
e) MgCl2

a) O2-
What is the correct formula for the oxide ion?
d) magnesium chloride
The compound MgCl2 is named _____________.

a) magnesium chlorine
b) magnesium dichloride
c) magnesium (II) chloride
d) magnesium chloride
e) dimagnesium chloride

e) Fe
Which one of the following elements forms two or more ions with different ionic charges?

a) K
b) F
c) Ca
d) O
e) Fe

b) Fe 2+
What is the correct formula for the iron (II) ion?

a) Fe +
b) Fe 2+
c) Fe 3+
d) Fe 2-
e) Fe 3-

b) copper (I).
The name of the Cu + ion is__________.
e) Fe2S3
What is the correct formula for iron (III) sulfide?

a) Fe2S2
b) Fe2S
c) FeS
d) FeS2
e) Fe2S3

A MOLECULE is the smallest neutral unit of two or more atoms held together by a covalent bond.
A(n) ___________ is the smallest neutral unit of two or more atoms held together by a covalent bond.
d) atoms are held together by sharing electrons.
In a molecule with covalent bonding __________.

a) oppositely charged ions are held together by strong electrical attractions.
b) atoms of metals form bonds to atoms of non-metals.
c) atoms of different metals form bonds.
d) atoms are held together by sharing electrons.
e) atoms of noble gases are held together by attractions between oppositely charged ions.

(e) CARBON does NOT exist as a diatomic molecule.
Which of the following elements does NOT exist as a diatomic molecule?

a) hydrogen
b) nitrogen
c) chlorine
d) oxygen
e) carbon

e) needed to give it a noble gas arrangement.
In a covalently bonded molecule, the number of electrons that an atom shares with others is usually equal to the number of electrons ____________.

a) in the atom
b) in its nucleus
c) in all the atoms
d) in its ion
e) needed to give it noble gas arrangement

single covalent bonds do not give all of the atoms in the molecule eight valence electrons.
Double and triple bonds form because __________.
NCl3
The formula for the molecule formed from N and Cl would be _________.
What is the correct electron dot structure for CS2?
What is the correct electron dot structure for C2F4?
covalent compounds.
According to the IUPAC nomenclature system, the types of compound that use prefixes in their names are
dinitrogen trioxide
The correct name for the compound N2O3 is
CI4
What is the formula of carbon tetraiodide?
aluminum sulfate
The name of Al2(SO4)3 is ____________.
electronegatvity
The ability of an atom to attract the shared electrons in a covalent bond is its ____________.
e) N2
Which of the following substances contains a non-polar bond?

a) H2O
b) NaCl
c) NH3
d) MgF2
e) N2

a) Li
Which of the following elements has the lowest electronegativity?

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a) Li
b) C
c) N
d) O
e) F

b) HCl
Which of the following compounds contains a polar covalent bond?

a) NaF
b) HCl
c) Br2
d) MgO
e) O2

c) CaO
Which of the following compounds contains an ionic bond?

a) NH3
b) H2O
c) CaO
d) H2
e) CH4

Ionic
If the electronegativity difference between elements X and Y is 2.1, the bond between the elements X-Y is ______.
b) KF
Ionic bonding is expected in which of these compounds?

a) Cl2
b) KF
c) OF2
d) HF
e) H2

a) H2O
A polar bond is found in which of these compounds?

a) H2O
b) F2
c) NaCl
d) H2
e) N2

a) non-polar covalent bond
The bond in Cl2 is a(n)
polyatomic ion
A group of covalently bonded atoms that has an overall electrical charge is called a(n)
d) ammonium
Which of the following polyatomic ions has a positive charge?

a) hydroxide
b) cyanide
c) hydrogen carbonate
d) ammonium
e) nitrate

d) phosphate
Which of the following polyatomic ions has a 3- ionic charge?

a) hydroxide
b) nitrate
c) sulfate
d) phosphate
e) bicarbonate

N 3-
What is the formula of the Nitride ion?
Hydrogen Sulfate
The name of the HSO4 ion is?
Na3PO4
What is the formula of the compound that contains Na+ and PO3 3- ions?
iron (III) sulfate
Fe2(SO4)3 is called _______________.
Al(NO2)3
What is the formula for aluminum nitrate?
shape of a molecule
The VSEPR theory allows us to determine the most favorable
pyramidal
The shape of the ammonia molecule is
pointing toward the oxygen atom
The water molecule has a dipole with the negative portion
a) tetrahedron
The carbon tetrachloride molecule, CCl4, has the shape of a

a) tetrahedron.
b) square
c) cube
d) circle
e) sphere

water
Hydrogen sulfide, H2S, has a shape similar to _____.
NON-POLAR
POLAR or NON-POLAR?

carbon tetrachloride

POLAR
POLAR or NON-POLAR?

water

NON-POLAR
POLAR or NON-POLAR?

carbon dioxide

POLAR
POLAR or NON-POLAR?

hydrogen sulfide

POLAR
POLAR or NON-POLAR?

hydrogen fluoride

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GENERAL CHEMISTRY 1305
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An Ionic Compound ____________. e) has a net charge of zero.
An Ionic Compound ____________. a) has a net positive charge. b) has a net negative charge. c) contains only cations. d) contains only anions. e) has a net charge of zero.
2018-10-20 00:35:36
GENERAL CHEMISTRY 1305
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