Chemistry (UI) | Study Mode

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Question 11
A
charge to mass ratio of the electron
B
mass of the electron
C
charge of the electron
D
mass of the proton
Explanation

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Correct option: C
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Question 12
A
M
B
N
C
K
D
L
E
O
Explanation

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Correct option: C
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Question 13
A
Carbon (II) oxide
B
Oxygen
C
Carbon (IV) oxide
D
Nitrogen
Explanation

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Correct option: A
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Question 14
A
ionic bonding
B
covalent bonding
C
dative bonding
D
coordinate covalent bonding
E
hydrogen bonding.
Explanation

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Correct option: E
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Question 15
A
electron affinity
B
bond energy
C
lonisation energy
D
electronegativity
E
electrovalency.
Explanation

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Correct option: C
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Question 16
A

allotropes

B

halogens

C

chalcogens

D

alkenes

E

ozonides.

Explanation

The chalcogens (/ˈkælkədʒɪnz/) are the chemical elements in group 16 of the periodic table. This group is also known as the oxygen family. It consists of the elements oxygen (O), sulfur (S), selenium (Se), tellurium (Te), and the radioactive element polonium (Po).


Correct option: C
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Question 17
A
P=nRT
B
PR =nVT
C
PV =gRT
D
V=kT
E
PV = K V
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: A
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Question 18
A
the atomic number
B
the Avogadros number
C
number of neutrons
D
number of electrons
E
gas constant
Explanation

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Correct option: B
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Question 19
A
period
B
number of shells
C
group
D
atomic number
E
electronegativity.
Explanation

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Correct option: C
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Question 20
A
electronegativity
B
period
C
number of shells
D
group
E
atomic number
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: E

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