Ionic Bonding Review

IONIC BONDING REVIEW

I can identify the number of core and valence electrons.

I can identify how an ionic bond forms.

Fill in the Blank

Electrons located in the lower energy levels of an atom is called

Fill in the Blank

Electrons located in the highest level i.e. outermost circle of the atom is called

Multiple Choice

How many core electrons are in the element below?

• 28

• 30

• 34

• 36

Multiple Choice

How many valence electrons are in the element below?

• 2

• 4

• 6

• 8

Multiple Choice

Valence electrons as you go down a group

• increases.

• decreases.

• stays the same.

Multiple Choice

Valence electrons as you go across a period

• increases.

• decreases.

• stays the same.

Multiple Choice

Core electrons are you go down a group

• increases.

• decreases.

• stays the same.

Multiple Choice

Core electrons are you go across a period

• increases.

• decreases.

• stays the same.

Fill in the Blank

A(n)

is formed when an atom loses or gains electrons.

Fill in the Blank

A(n)

is formed when an atom loses electrons and has a positive charge.

Fill in the Blank

A(n)

is formed when an atom gains electrons and has a negative charge.

Multiple Choice

Which of the following statements BEST describes a ionic bond?

• An ionic bond forms when a METAL transfers its VALENCE electrons to a NONMETAL.

• An ionic bond forms when a METAL transfers its CORE electrons to a NONMETAL.

• An ionic bond forms when a NONMETAL transfers VALENCE electrons to a METAL.

• An ionic bond forms when a NONMETAL transfers CORE electrons to a METAL.

Multiple Choice

How many valence electrons does magnesium have?

• 1

• 2

• 3

• 4

Multiple Choice

How many valence electrons does chlorine have?

• 5

• 6

• 7

• 8

Multiple Choice

How many chlorine atoms do you need in order to bond with magnesium?

• 1

• 2

• 3

• 4

Multiple Choice

Which of the following is the chemical formula when magnesium forms an ionic bond with chlorine?

• MgCl

• MgCl₂

• Mg₂Cl

Open Ended

Why do atoms lose or gain electrons?