Bonding Review Grade: «grade» «subject»

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Bonding Review

Grade:

«grade»

Subject:

«subject»

Date:

«date»

1 An atom that has lost or gained electrons is called a ______________

C

D

A

B

Proton

Ion

Alloy

Dipole

2 Any bond formed by two oppositely charged atoms is called a

________

C

D

A

B

Polar bond

Non-Polar bond

Covalent bond

Ionic bond

3 An atom that has lost electrons has a(n) ____________________ charge

C

D

A

B

None

Neutral

Positive

Negative

4 An atom that has gained electrons will have a(n)

___________________

C

D

A

B

None

Neutral

Positive

Negative

5 A(n) _____________________is the attraction between 2 oppositely charged atoms.

C

D

A

B

Ionic bond

Covalent bond

Ionic crystal

Covalent compound

6 A(n) _____________________is the bond formed when 2 elements share electrons.

C

D

A

B

Metallic bond

Ionic bond

Covalent bond

Alloy bond

7 When one side of a molecule is slightly positive and one side is slightly negative, the resulting molecule is called a(n) __________.

C

D

A

B

Dipole

Ion

Alloy

Nonpole

8 When the electronegatives of 2 atoms in a molecule are not equal a(n)

_____________molecule is formed

C

D

A

B

Non-polar

Polar

Metallic

Ionic

9 A chemical bond in which atoms are held together by their attraction to a common pool of electrons is a called a(n)______________.

A

B

C

Ionic bond

Covelent bond

Metallic bond

10 From where on the periodic table do atoms that form ionic bonds come

C

D

A

B

Far left

Far right

Middle both a and b

11 What type of atoms commonly form covalent bonds?

C

D

A

B

Far left

Far right

Adjacent Metals (middle of table)

Adjacent Non-metals (upper right corner)

12 In a tug of war analogy of a covalent bond, the rope represents the_________________.

C

D

A

B atoms electrons electronegativity of the atoms protons

13 In a tug of war analogy of a covalent bond, the people represent the

_____________.

C

D

A

B atoms electrons electronegativity of the atoms protons

14 In a tug of war analogy of a covalent bond, the strength of the people represent the_________.

C

D

A

B atoms electrons electronegativity of the atoms protons

15 NaCl is a ______________________.

A

B

C

Metal

Ionic compound

Covalent compound

16 H20 is a ___________________________.

A

B

C

Metal

Covalent compound

Ionic compound

17 __________________do not easily form bonds because they are very stable due to having a full outer shell.

C

D

A

B

Halogens

Alkali Metals

Alkali Earth Metals

Noble gases

18 When water boils bonds are broken between hydrogen and oxygen within the molecules.

A

B

True

False

19 The ability of an atom to attract a bonding pair of electrons is called electronegativity.

A

B

True

False

20 Carbon has __ valence electrons.

C

D

A

B

3

4

1

2

21 Carbon likes to form ___bonds.

C

D

A

B

3

4

1

2

22 Suppose oxygen gains 2 electrons to become an oxygen ion.. What is the charge?

C

D

A

B

+2

-2

Does not change

Not enough information

23 Suppose Sodium looses 3 electrons to become an sodium ion.. What is the charge?

C

D

A

B

+3

-3

Does not change

Not enough information

24 Atoms are composed of molecules

A

B

True

False

25 Molecules are composed of atoms

A

B

True

False

26 Cells are composed of molecules.

A

B

True

False

27 Atoms are composed of cells.

A

B

True

False

28 Atoms are composed of sub-atomic particles.

A

B

True

False

1. B

2. D

3. C

4. D

5. A

6. C

7. A

8. B

Answer Key

9. C

10.D

11.D

12.B

13.A

14.C

15.B

16.B

17.D

18.B

19.A

20.D

21.D

22.B

23.A

24.B

25.A

26.A

27.B

28.A

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