Pretest

Question 1

Which pair of elements will form a covalent bond?

Revolt · Accepted Answer

hydrogen and chlorine

Question 2

A solid compound in a sealed container was kept at a very low temperature in a freezer. When placed at room temperature, the substance quickly turned into a liquid. This compound is most likely which of these?

Revolt · Accepted Answer

a covalent compound because it has a low melting point

Question 3

Which structure shows the correct electron arrangement in CCl sub 4 ?

Revolt · Accepted Answer

Image with description A chemical structure diagram showing a central carbon atom. It is single-bonded to a chlorine atom on its left, a chlorine atom above it, a hydrogen atom on its right, and a chlorine atom below it. Each of the three chlorine atoms has three lone pairs of electrons, with pairs positioned on the sides of the atom not involved in bonding.

Question 4

Which compound contains only nonpolar covalent bonds?

Revolt · Accepted Answer

cap o sub 2

Question 5

Which statement about covalent compounds is true?

Revolt · Accepted Answer

They are poor conductors of heat.

Question 6

Which type of bond will form between two chlorine atoms?

Revolt · Accepted Answer

a nonpolar covalent bond

Question 7

Which element has the fewest valence electrons available for bonding?

Revolt · Accepted Answer

aluminum

Question 8

Which type of bond will most likely be found in HBr given that the electronegativity of hydrogen is 2 point 2 0 and the electronegativity of bromine is 2 point 9 6 ?

Revolt · Accepted Answer

a polar covalent bond

Question 9

How many valence electrons are available for bonding in silicon?

Revolt · Accepted Answer

four

Question 10

Which is a property of covalent compounds?

Revolt · Accepted Answer

They have a low boiling point.

Pretest Answers

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