Module Three Exam Review

Neon is located in the last group of the periodic table. How many valence electrons does the element neon have?

• 1

• 2

• 4

• 8

Lithium is located in the first group of the periodic table. How many valence electrons does the element lithium have?

• 1

• 2

• 4

• 8

Carbon is located in the fourth tall column of the periodic table. How many valence electrons does the element carbon have?

• 1

• 2

• 4

• 8

Atom A has 10 electrons. Atom B has 18 electrons. Which statement is correct?

• A will give up electrons to form bonds.

• B will give up electrons to form bonds.

• Both A and B will be chemically unreactive.

• Both A and B will gain electrons to become stable.

Atom A has 11 electrons. Atom B has 17 electrons. Which statement is correct?

• A will give up electrons to form bonds.

• B will give up electrons to form bonds.

• Both A and B will be chemically unreactive.

• Both A and B will gain electrons to become stable.

Atom A has 10 electrons. Atom B has 12 electrons. Which statement is correct?

• A will give up electrons to form bonds.

• B will give up electrons to form bonds.

• Both A and B will be chemically unreactive.

• Both A and B will gain electrons to become stable.

The electron configuration of an element is shown below.

1s²2s²2p⁶3s¹

Name the group this element belongs to in the periodic table.

(a)  

The electron configuration of an element is shown below.

1s²2s²2p⁶3s²3p⁶

Name the group this element belongs to in the periodic table.

(a)  

What is the charge on an atom after it gains an electron during the formation of a bond?

• One positive charge

• Two positive charges

• One negative charge

• Two negative charges

What is the charge on an atom after it loses an electron during the formation of a bond?

• One positive charge

• Two positive charges

• One negative charge

• Two negative charges