Test 8 HP: Covalent Bonding
Authored by Yesenia Becerra-Raya
Science
9th - 12th Grade
NGSS covered
Used 17+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main types of covalent bonds?
Ionic bonds and metallic bonds
Nonpolar covalent bonds and polar covalent bonds
Single bonds and double bonds
Hydrogen bonds and van der Waals forces
Answer explanation
The two main types of covalent bonds are nonpolar covalent bonds, where electrons are shared equally, and polar covalent bonds, where electrons are shared unequally, leading to partial charges.
2.
DRAG AND DROP QUESTION
30 sec • 1 pt
A (a) is a type of chemical bond where electrons are shared unequally between two atoms, leading to partial charges.
Answer explanation
A polar covalent bond involves unequal sharing of electrons between two atoms, resulting in partial positive and negative charges. This distinguishes it from ionic bonds and bonds between identical atoms.
Tags
NGSS.HS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the strength of a covalent bond?
The number of shared electron pairs and the distance between the bonded atoms.
The number of protons in the nucleus of the bonded atoms.
The presence of metallic elements in the bond.
The ability of the atoms to form ionic bonds.
Answer explanation
The strength of a covalent bond is determined by the number of shared electron pairs; more pairs mean a stronger bond. Additionally, the distance between bonded atoms affects the bond strength, with shorter distances leading to stronger interactions.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary factor that determines whether a covalent bond is polar or nonpolar?
The size of the atoms involved in the bond.
The difference in electronegativity between the bonded atoms.
The number of electrons in the outer shell of the atoms.
The atomic mass of the bonded atoms.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the difference in electronegativity between two atoms affect the bond's polarity?
A large electronegativity difference results in a nonpolar bond.
A small electronegativity difference results in a polar bond.
A large electronegativity difference results in a polar bond.
The electronegativity difference doesn't affect the bond's polarity.
6.
DRAG AND DROP QUESTION
30 sec • 1 pt
(a) will have a higher electronegativity than arsenic (As).
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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