Bonding Review

Grade: «grade»

Subject: «subject»

Date: «date»

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

A Proton

B Ion

C Alloy

D Dipole

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

A Polar bond

B Non-Polar bond

C Covalent bond

D Ionic bond

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

A None

B Neutral

C Positive

D Negative

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

A None

B Neutral

C Positive

D Negative

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

A Ionic bond

B Covalent bond

C Ionic crystal

D Covalent compound

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

A Metallic bond

B Ionic bond

C Covalent bond

D 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) __________.

A Dipole

B Ion

C Alloy

D Nonpole

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

A Non-polar

B Polar

C Metallic

D 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 Ionic bond

B Covelent bond

C Metallic bond

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

A Far left

B Far right

C Middle

D both a and b

11 What type of atoms commonly form covalent bonds?

A Far left

B Far right

C Adjacent Metals (middle of table)

D Adjacent Non-metals (upper right corner)

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

A atoms

B electrons

C electronegativity of the atoms

D protons

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

A atoms

B electrons

C electronegativity of the atoms

D protons

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

A atoms

B electrons

C electronegativity of the atoms

D protons

15 NaCl is a ______________________.

A Metal

B Ionic compound

C Covalent compound

16 H20 is a ___________________________.

A Metal

B Covalent compound

C Ionic compound

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

A Halogens

B Alkali Metals

C Alkali Earth Metals

D Noble gases

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

A True

B False

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

A True

B False

20 Carbon has __ valence electrons.

A 1

B 2

C 3

D 4

21 Carbon likes to form ___bonds.

A 1

B 2

C 3

D 4

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

A +2

B -2

C Does not change

D Not enough information

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

A +3

B -3

C Does not change

D Not enough information

24 Atoms are composed of molecules

A True

B False

25 Molecules are composed of atoms

A True

B False

26 Cells are composed of molecules.

A True

B False

27 Atoms are composed of cells.

A True

B False

28 Atoms are composed of sub-atomic particles.

A True

B False

Answer Key