1
1 mark
Which of the following dipole labels are not correct?
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Electronegativity & Bonding (Cambridge (CIE) AS Chemistry): Exam Questions
Exam code: 9701
1 hour14 questions
2
1 mark
Which of these atoms is most electronegative?
Cl
Mg
Br
Na
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3
1 mark
Which of the following correctly describes the relationship between ionic bonding and electronegativity?
The more electronegative element in an ionic bond will lose electrons
An ionic bond is formed when there is a difference in electronegativity of above 2.0 between two atoms
An ionic bond is formed when both atoms have the same electronegativity
An ionic bond is formed when the difference in electronegativity between the two atoms is between 1.0 and 2.0
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1
1 mark
Which of the following elements has electronegativity most similar to beryllium?
Boron
Aluminium
Silicon
Indium
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2
1 mark
Which compound is the most ionic?
NaCl
KBr
MgBr2
RbCl
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3
1 mark
Which substance contains polar covalent bonds?
ethane
sulfur dichloride
calcium bromide
chlorine
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1
1 mark
Concerning their Pauling electronegativity values, which atom is more likely to form a covalent bond with fluorine?
| Atom | Pauling value |
| Fluorine | 4.0 |
A | Hydrogen | 2.2 |
B | Copper | 1.95 |
C | Magnesium | 1.3 |
D | Potassium | 0.82 |
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2
1 mark
Which statement about electron affinity and electronegativity is correct?
Electron affinity increases down a group, but electronegativity decreases
Electron affinity decreases down a group, but electronegativity increases
Electron affinity and electronegativity both decrease down a group
There is no clear trend in electron affinity down a group but electronegativity decreases
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3
1 mark
Which of the following species is polar?
ICl4-
PF5
SO3
SH2
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