Metallic Bonds

Question 1

The element carbon (C) is most likely to form covalent bonds with the element

Revolt · Accepted Answer

selenium (Se).

Question 2

Which is most likely a covalent compound?

Revolt · Accepted Answer

CF4

Question 3

Which element can join with other elements to form covalent bonds?

Revolt · Accepted Answer

carbon (C)

Question 4

The compound cyanogen (CN)2 has covalent bonds shown in this diagram.

Revolt · Accepted Answer

six

Question 5

What best explains how two oxygen atoms, each with six valence electrons, can bond with each other?

Revolt · Accepted Answer

Each atom can share two electrons with the other so that each atom has eight valence electrons.

Question 6

For a science fair project about food and chemistry, Bill looks around his kitchen for examples of covalent compounds. What evidence can Bill use in his project to show that water (H2O) acts like other covalent compounds?

Revolt · Accepted Answer

He can demonstrate that water can be boiled on a simple kitchen stove.

Question 7

After a covalent bond has stabilized an atom, the atom will have

Revolt · Accepted Answer

a full valence electron shell.

Question 8

A candle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. The wick is usually surrounded by wax.Which is the most important property of covalent compounds that makes them useful for making candle wax?

Revolt · Accepted Answer

a low melting point

Question 9

In carbon dioxide (CO2), there are two oxygen atoms for each carbon atom. Each oxygen atom forms a double bond with carbon, so the molecule contains two sets of double bonds.Two sets of double bonds means that the total number of electrons being shared in the molecule is

Revolt · Accepted Answer

eight.

Metallic Bonds Answers

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