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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
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