Question 1

The name of the compound with the formula AlCl₃ is

Accepted Answer

A) aluminum(III)chloride. 
B) aluminum trichloride. 
C) monoaluminum trichlorine. 
D) aluminum chloride. 
A) aluminum(III)chloride. 
B) aluminum trichloride. 
C) monoaluminum trichlorine. 
D) aluminum chloride.

Question 2

The valence shell electron pair repulsion theory (VSEPR)is used to

Accepted Answer

A) predict the bonding pattern in molecules. 
B) predict the three dimensional structure of molecules. 
C) predict the electronegativity of atoms. 
D) predict the number of multiple bonds in a molecule. 
A) predict the bonding pattern in molecules. 
B) predict the three dimensional structure of molecules. 
C) predict the electronegativity of atoms. 
D) predict the number of multiple bonds in a molecule.

Question 3

Which of the following atoms will have the lowest electronegativity value?

Accepted Answer

A) an atom with 1 valence electron 
B) an atom with 3 valence electrons 
C) an atom with 5 valence electrons 
D) an atom with 7 valence electrons 
A) an atom with 1 valence electron 
B) an atom with 3 valence electrons 
C) an atom with 5 valence electrons 
D) an atom with 7 valence electrons

Question 4

Which of the following is a binary compound?

Accepted Answer

A) HCN 
B) O₂ 
C) LiBr 
D) Na₂SO₄ 
A) HCN 
B) O₂ 
C) LiBr 
D) Na₂SO₄

Question 5

Hydrogen and nitrogen react to form

Accepted Answer

A) NH. 
B) NH₂. 
C) NH₃. 
D) NH₄. 
A) NH. 
B) NH₂. 
C) NH₃. 
D) NH₄.

Question 6

How many nitrogen atoms are in the formula for magnesium nitride?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 7

The formula of magnesium nitride is

Accepted Answer

A) Mg₃N₂. 
B) Mg₂N₃. 
C) Mg₂N. 
D) MgN. 
A) Mg₃N₂. 
B) Mg₂N₃. 
C) Mg₂N. 
D) MgN.

Question 8

The formula of sodium dichromate is ________.

Accepted Answer

The answer of The formula of sodium dichromate is ________....

Question 9

The calcium metal is needed for healthy bones and teeth.

Accepted Answer

A) True 
 B)False

Question 10

The shape of a water molecule is

Accepted Answer

A) linear. 
B) bent. 
C) tetrahedral. 
D) trigonal planar. 
A) linear. 
B) bent. 
C) tetrahedral. 
D) trigonal planar.

Question 11

Atoms and molecules with odd numbers of electrons are called

Accepted Answer

A) ions. 
B) odd. 
C) covalent. 
D) free radicals. 
A) ions. 
B) odd. 
C) covalent. 
D) free radicals.

Question 12

Ionic compounds generally form between metals and nonmetals.

Accepted Answer

A) True 
 B)False

Question 13

How many magnesium atoms are in the formula for magnesium nitride?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 14

How many dots will appear in the Lewis dot structure for an element from in Group 1A of the periodic table?

Accepted Answer

A) five 
B) eight 
C) one 
D) four 
A) five 
B) eight 
C) one 
D) four

Question 15

Which of the following pairs is isoelectronic?

Accepted Answer

A) Ar and Ne 
B) Ar and Na⁺ 
C) Ar and F⁻ 
D) Ar and S²⁻ 
A) Ar and Ne 
B) Ar and Na⁺ 
C) Ar and F⁻ 
D) Ar and S²⁻

Question 16

A nonpolar covalent bond will form between atoms that have an electronegativity difference of

Accepted Answer

A)  2.0. 
A)  2.0.

Question 17

The most electronegative atom is

Accepted Answer

A) Cl. 
B) F) 
C) Na. 
D) I) 
A) Cl. 
B) F) 
C) Na. 
D) I)

Question 18

A central atom that has tetrahedral geometry will have a total of

Accepted Answer

A) 4 electron sets and 0 lone pairs. 
B) 3 electron sets and 1 lone pairs. 
C) 2 electron sets and 1 lone pairs. 
D) 3 electron sets and 0 lone pairs. 
A) 4 electron sets and 0 lone pairs. 
B) 3 electron sets and 1 lone pairs. 
C) 2 electron sets and 1 lone pairs. 
D) 3 electron sets and 0 lone pairs.

Question 19

Magnesium reacts with oxygen to form

Accepted Answer

A) MgO. 
B) Mg₂O. 
C) MgO₂. 
D) Mg₃O₂. 
A) MgO. 
B) Mg₂O. 
C) MgO₂. 
D) Mg₃O₂.

Question 20

In a polar covalent bond,electrons are

Accepted Answer

A) shared equally. 
B) shared unequally. 
C) transferred. 
D) uncharged. 
A) shared equally. 
B) shared unequally. 
C) transferred. 
D) uncharged.

Exam 4: Chemical Bonds

The name of the compound with the formula AlCl₃ is

The valence shell electron pair repulsion theory (VSEPR)is used to

Which of the following atoms will have the lowest electronegativity value?

Which of the following is a binary compound?

Hydrogen and nitrogen react to form

How many nitrogen atoms are in the formula for magnesium nitride?

The formula of magnesium nitride is

The formula of sodium dichromate is ________.

The calcium metal is needed for healthy bones and teeth.

The shape of a water molecule is

Atoms and molecules with odd numbers of electrons are called

Ionic compounds generally form between metals and nonmetals.

How many magnesium atoms are in the formula for magnesium nitride?

How many dots will appear in the Lewis dot structure for an element from in Group 1A of the periodic table?

Which of the following pairs is isoelectronic?

A nonpolar covalent bond will form between atoms that have an electronegativity difference of

The most electronegative atom is

A central atom that has tetrahedral geometry will have a total of

Magnesium reacts with oxygen to form

In a polar covalent bond,electrons are

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