Free Printable Chemical bonding unit review

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Chemical bonding unit review

Total questions: 33

Worksheet time: 20mins

Name

Class

Date

Valence electrons are the...

Innermost electrons

Middle electrons

Outermost electrons

Any electrons

Is hydrogen considered a metal or a non-metal?

A metal

Nonmetal

Metalloid

Ionic bonds are between...

Metal and Non-metal

Non-metal and Non-metal

Metal and Metal

Covalent compound is formed when chemical reaction occurs between the atoms of...

potassium and chloride

calcium and chloride

hydrogen and oxygen

magnesium and oxygen

How are covalent bonds formed?

Sharing of electrons

Transfer of electrons

How are ionic bonds formed?

Transfer of electrons

Sharing of electrons

The following statements are true for ionic bonding EXCEPT

bonding between metal and non metal

electrostatic forces between opposite charges

transferring of electrons

sharing of electrons

Ionic or covalent?
NaBr

Ionic

Covalent

Ionic or covalent?
H₂O

Ionic

Covalent

10.

When K forms an ionic bond with Br, which of the following occurs?

K gains an electron and Br loses an electron

K loses an electron and Br gains an electron

K and Br both lose electrons

K and Br share a pair of electrons

11.

Noble gases will form chemical bonds with other elements

True

False

12.

Classify the following molecule.

polar

nonpolar

13.

Classify the following molecule.

polar

nonpolar

14.

Classify the following molecule.

polar

nonpolar

15.

Is the following molecule polar or nonpolar?

polar

nonpolar

16.

F₂

Polar

Nonpolar

17.

What is the VSEPR theory used to predict?

Bond Strength

Polarity

Molecular Shape

Electronegativity

18.

Classify the following molecule.

polar

nonpolar

19.

VSEPR theory states that

Protons want to repel each others

Protons want to attract each other

Electrons want to repel each other

Electron want to attract each other

20.

How many lone pairs are in this molecule's structure?

21.

According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?

Pairs of valence electrons

Inner shell electrons

Mobile Electrons

Electrons closest to the nucleus

22.

What is the generic formula and molecular geometry of the molecule shown?

AX₂, linear

AX₂E₂, bent

AX₂E, trigonal planar

AX₂E₄, octahedral

23.

What is the generic formula and molecular geometry of the molecule shown?

AX₂, linear

AX₂E₂, bent

AX₂E, trigonal planar

AX₂E₄, octahedral

24.

What is the generic formula and molecular geometry of the molecule shown?

AX , linear

AXE , bent

AX₃E , trigonal pyramid

AX₃, trigonal planar

25.

What is the generic formula and molecular geometry of the molecule shown?

AE₄, tetrahedral

AX₄, tetrahedral

AX₃E , trigonal pyramid

AX₃, trigonal planar

26.

What is the generic formula and molecular geometry of the molecule shown?

AX₃E₃, trigonal bipyramid

AX₃E, trigonal pyramid

AXE₃, trigonal planar

AX₃E₂, octahedral

27.

Molten compound conducts electricity.

ionic compound

covalent compound

28.

Molten compound does NOT conduct electricity.

ionic compound

covalent compound

29.

Have a high m.p. (1000°C-3000°C)

ionic compounds

covalent compounds

30.

Which of the following is TRUE about ionic compounds?

They have low melting and boiling points.

They can conduct electricity in the solid state.

They are stronger than covalent bonds.

They are usually formed from 2 metals.

31.

Have a low m.p. (< 200°C)

ionic compounds

covalent compounds

32.

usually soft

ionic compounds

covalent compounds

33.

What properties does an ionic compound have?

A low boiling point and it conducts electricity when dissolved in water

A high melting and it conducts electricity when liquid

A high boiling point and it conducts electricity when solid

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Chemical bonding unit review

Total questions: 33

Worksheet time: 20mins

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