Multiple Choice
Bonds between two atoms that are equally or similarly electronegative are ________.
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2. Cell Chemistry & Cell Components
Covalent Bonds
Back2. Cell Chemistry & Cell Components
Covalent Bonds
- Textbook Question
When a pair of electrons is shared between two atoms, the bond formed is called:
a. A single covalent bond
b. A double covalent bond
c. A triple covalent bond
d. An ionic bond
- Textbook Question
Which of the following covalently bonded molecules are polar?
(a)
(b)
(c)
(d)
1views - Textbook Question
In a beaker of water, the water-water bonds can properly be called:
a. Ionic bonds
b. Polar covalent bonds
c. Nonpolar covalent bonds
d. Hydrogen bonds
- Textbook QuestionWhich of these molecules would you predict to have the largest number of polar covalent bonds based on their molecular formulas?a. C2H6O(ethanol)b. C2H6(ethane)c. C2H4O2(aceticacid)d. C3H8O (propanol)3views
- Multiple ChoiceA covalent bond is likely to be polar if __________.4views
- Multiple Choice
What makes a covalent bond nonpolar?
9views - Textbook Question
The hydrogen bonding that occurs in water is responsible for all of the following except
(a) The high boiling point of water
(b) The low freezing point of water
(c) The ability of water to dissolve nonpolar substances
(d) The ability of water to dissolve inorganic salts
(e) The surface tension of water
- Textbook QuestionThe atomic number of sulfur (S) is 16. Sulfur combines with hydrogen by covalent bonding to form a compound, hydrogen sulfide. Based on the number of valence electrons in a sulfur atom, predict the molecular formula of the compound. (Explain your answer.)a. HSb. H2Sc. H4S2d. H4S2views
- Multiple ChoiceWhen one or more pairs of valence electrons are shared by two neutral atoms, what type of bond is formed?4views
- Textbook Question
Explain why, if you pour water into a glass very carefully, you can 'stack' the water slightly above the rim of the glass.
- Textbook QuestionWhich of the following occurs when a covalent bond forms?a. Electrons in valence shells are transferred from one atom to another.b. Electrons in valence shells are shared between atoms.c. Partial charges on polar molecules interact.d. Nonpolar molecules are pushed together.by surrounding water molecules.8views
- Textbook QuestionIn terms of electron sharing between atoms, compare nonpolar covalent bonds, polar covalent bonds, and ions.1views
- Multiple Choice
If a covalent bond is polar:
8views - Textbook Question
Explain the differences among nonpolar covalent bonds, polar covalent bonds, and ionic bonds.