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Topic 4: Chemical bonding
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1. Chemical bonding: Recalling concept facts and definitions
1. Chemical bonding is the simultaneous attraction of two nuclei to 4) Positron
2) Neutrons
1) Protons
3) Electrons
2. When atoms bond, their stability 3) Remain the same
1) Increase
2) Decrease
3. When atoms bond, the electron configuration of each atom in the bond resembles those of the
nearest 2) Halogen 3) Alkaline earth 4) Alkali
1) Noble gas
4. Atoms bond due to the interaction between 3) Neutrons and electrons
1) Protons and neutrons
2) Protons and electrons 4) Neutrons and positrons
5. One main reason atoms bond is to
Teacher Preview Copy
1) Get a stable electron configuration 3) To gain protons
2) Get an unstable electron configuration
4) To lose protons
2. Stability of atoms in a bond: Determining elements that bonded atoms resemble
1. When a hydrogen atom bonds with another atom, the electron configuration of the hydrogen
atom will be similar to that of the element 3) Neon 4) Helium
1) Lithium
2) Oxygen
2. When an atom of oxygen bonds with a metal, the electron configuration of the oxygen ion will be
similar to the configuration of which atom?
1) Neon 2) Fluorine 3) Helium 4) Sulfur
3. When the atom of calcium bonds with oxygen to produce calcium oxide, the electron configuration
of calcium ion in the compound will resemble that of the element
2) Ar
4) ) K
3) Kr
1) O Teacher Preview Copy
4. Which compound contains ions with electron configurations of both ions similar to that of Helium?
1) LiH 2) LiF 3) NaH 4) NaCl
5. In which compound would the configuration of the atoms in the compound resembles that of
Argon?
1) Al2O3 2) K2O 3) CaCl2 4) NaCl
6. A bond between which two atoms would produce ions with electron configurations similar to
those of Kr and Ne respectively ? 3) Al and Br 4) Sr and F
1) Li and Cl
2) K and Cl
7. When sodium and fluorine atoms combine to produce the compound NaF, the ions formed have
the same electron configuration as the atom of
1) Argon, only 3) Both argon and neon
4) Neither argon and neon
2) Neon, only
8. When the atoms of magnesium and chlorine bond to form the compound MgCl2, the electrons
configuration of the ions in this compound will resemble those of
1) Calcium and Bromine 3) Neon and Helium
2) Beryllium and Fluorine
4) Neon and Argon
9. Atom X and atom Y bond to form a compound. The electron configuration of X in the bond is
2 – 8 – 8. The electron configuration of Y in the compound is 2 – 8. Which two atoms could be
X and Y ?
1) X could be magnesium and Y could be sulfur 3) X could be calcium and Y could be sulfur
2) X could be magnesium and Y could be oxygen 4) X could be calcium and Y could be oxygen
10. Which statement is true of the electron configurations of the ions in the compound potassium bromide?
1) Potassium ion will resemble that of Krypton, and bromine ion will resemble that of Argon
2) Potassium ion will resemble that of Argon, and bromine ion will resemble that of Krypton
3) Both potassium and bromine ions will resemble the configuration of argon
4) Both potassium and bromine ions will resemble the configuration of krypton
Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 183
.
1. Chemical bonding: Recalling concept facts and definitions
1. Chemical bonding is the simultaneous attraction of two nuclei to 4) Positron
2) Neutrons
1) Protons
3) Electrons
2. When atoms bond, their stability 3) Remain the same
1) Increase
2) Decrease
3. When atoms bond, the electron configuration of each atom in the bond resembles those of the
nearest 2) Halogen 3) Alkaline earth 4) Alkali
1) Noble gas
4. Atoms bond due to the interaction between 3) Neutrons and electrons
1) Protons and neutrons
2) Protons and electrons 4) Neutrons and positrons
5. One main reason atoms bond is to
Teacher Preview Copy
1) Get a stable electron configuration 3) To gain protons
2) Get an unstable electron configuration
4) To lose protons
2. Stability of atoms in a bond: Determining elements that bonded atoms resemble
1. When a hydrogen atom bonds with another atom, the electron configuration of the hydrogen
atom will be similar to that of the element 3) Neon 4) Helium
1) Lithium
2) Oxygen
2. When an atom of oxygen bonds with a metal, the electron configuration of the oxygen ion will be
similar to the configuration of which atom?
1) Neon 2) Fluorine 3) Helium 4) Sulfur
3. When the atom of calcium bonds with oxygen to produce calcium oxide, the electron configuration
of calcium ion in the compound will resemble that of the element
2) Ar
4) ) K
3) Kr
1) O Teacher Preview Copy
4. Which compound contains ions with electron configurations of both ions similar to that of Helium?
1) LiH 2) LiF 3) NaH 4) NaCl
5. In which compound would the configuration of the atoms in the compound resembles that of
Argon?
1) Al2O3 2) K2O 3) CaCl2 4) NaCl
6. A bond between which two atoms would produce ions with electron configurations similar to
those of Kr and Ne respectively ? 3) Al and Br 4) Sr and F
1) Li and Cl
2) K and Cl
7. When sodium and fluorine atoms combine to produce the compound NaF, the ions formed have
the same electron configuration as the atom of
1) Argon, only 3) Both argon and neon
4) Neither argon and neon
2) Neon, only
8. When the atoms of magnesium and chlorine bond to form the compound MgCl2, the electrons
configuration of the ions in this compound will resemble those of
1) Calcium and Bromine 3) Neon and Helium
2) Beryllium and Fluorine
4) Neon and Argon
9. Atom X and atom Y bond to form a compound. The electron configuration of X in the bond is
2 – 8 – 8. The electron configuration of Y in the compound is 2 – 8. Which two atoms could be
X and Y ?
1) X could be magnesium and Y could be sulfur 3) X could be calcium and Y could be sulfur
2) X could be magnesium and Y could be oxygen 4) X could be calcium and Y could be oxygen
10. Which statement is true of the electron configurations of the ions in the compound potassium bromide?
1) Potassium ion will resemble that of Krypton, and bromine ion will resemble that of Argon
2) Potassium ion will resemble that of Argon, and bromine ion will resemble that of Krypton
3) Both potassium and bromine ions will resemble the configuration of argon
4) Both potassium and bromine ions will resemble the configuration of krypton
Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 183
