Physical Science/Chemistry Practice (periodic Trends, Bonding) Question Preview (ID: 35319)


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Of the atoms below, __________ is the most electronegative.
a) Br
b) F
c) Cl
d) N

Which one of the following has the smallest radius?
a) Na
b) Cl
c) P
d) Br

The ability of an atom in a molecule to attract electrons is best quantified by the
a) paramagnetism
b) diamagnetism
c) ionization energy
d) electronegativity

Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.
a) increases, decreases
b) decreases, increases
c) increases, increases
d) stays the same, increases

Which one of the following atoms has the largest radius?
a) O
b) F
c) S
d) Cl

Which of the following elements has the same Lewis dot structure as silicon?
a) germanium (Ge)
b) aluminum (Al)
c) arsenic (As)
d) gallium (Ga)

Which group in the periodic table forms ions that have a valence of 1+?
a) 1
b) 2
c) 16
d) 8

Carbon atoms can link themselves together into long chains and rings to form a vast number of highly complicated molecules. Which of the following statements BEST explains why carbon atoms behave this way?
a) They easily form ionic bonds with each other.
b) They easily form covalent bonds with each other.
c) They easily combine with atoms of oxygen.
d) They easily become highly charged ions.

Which of the following atoms has six valence electrons?
a) magnesium (Mg)
b) silicon (Si)
c) sulfur (S)
d) sodium (Na)

Which of the following atoms has the largest atomic radius?
a) barium (Ba)
b) chlorine (Cl)
c) iodine (I)
d) magnesium (Mg)

Which of the following elements is classified as a metal?
a) bromine
b) helium
c) sulfur
d) lithium

Aluminum oxide, Al2O3, is produced by combining Al3+ and O2- particles. What type of compound has been formed?
a) covalent
b) ionic
c) metallic
d) polar

In the periodic table, the rows are called
a) periods
b) groups
c) classes
d) families

Which element is an alkaline earth metal?
a) Li
b) O
c) Ne
d) Ca

Which type of bond is responsible for atoms of pure gold to be bonded togther?
a) metallic
b) covalent
c) ionic
d) polar

Which of the following elements is a nonmetal?
a) Li
b) Ba
c) Mn
d) Se

Of the elements below, __________ is the most metallic.
a) Na
b) Mg
c) Al
d) K

Which best explains why water dissolves most salts?
a) Water is polar and salts form ions in solution
b) Water is nonpolar and salts form ions in solution
c) Water is the same density as salts
d) Water has a different density than most salts

A negatively-charged ion always has more
a) protons than neutrons
b) neutrons than protons
c) protons than electrons
d) electrons than protons

The valence shell of a neutral atom loses two electrons. Which of the following ions might result?
a) O2-
b) K+
c) N2-
d) Mg2+

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