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AH Chem Quiz

Total questions: 35

Worksheet time: 20mins

Name
Class
Date
1.

Hund’s rule states that

a)

electrons occupy degenerate orbitals singly with parallel spins before pairing

b)

no two electrons in an atom can have the same set of four quantum numbers

c)

electrons occupy orbitals in order of increasing energy

d)

the energy of an electron in an atom is quantised.

2.

Which of the following molecules contains the smallest bond angle?

a)

BeCl2

b)

BCl3

c)

CCl4

d)

PCl5

3.

Which metal in the following ions has the highest oxidation state?

a)

Cr2O7 2−

b)

MnO4-

c)

VO2+

d)

Sn4+

4.

The copper complex shown can be used as a green food colouring. What is the correct coordination number and classification for the ligand?

a)

2, monodentate

b)

2, tetradendate

c)

4, monodentate

d)

4, tetradentate

5.

Which of the following is not a form of electromagnetic radiation?

a)

Beta

b)

Gamma

c)

Infrared

d)

Ultraviolet

6.

This diagram represents the periodic table. What is the shaded area?

a)

s-block

b)

p-block

c)

d-block

d)

f-block

7.

The diagram represents a d orbital. The maximum number of electrons which can occupy this orbital is

a)

2

b)

4

c)

8

d)

10

8.

The electronic configuration of an atom of X, in its ground state, is 1s2 2s2 2p6 3s2 3p6 3d1 4s2 . X is an atom of

a)

calcium

b)

scandium

c)

titanium

d)

vanadium

9.

What is the formula for the diaquatetrachloridocobaltate(II) ion?

a)

[CoCl4(H2O)2] 2−

b)

[CoCl2(H2O)4] 2−

c)

[CoCl4(H2O)2] 2+

d)

[CoCl2(H2O)4] 2+

10.

Which of the following states that electrons fill orbitals in order of increasing energy?

a)

Hund’s rule

b)

The aufbau principle

c)

The Pauli exclusion principle

d)

The valence shell electron pair repulsion theory

11.

HCN(aq) + H2O(ℓ) ⇌ H3O+ (aq) + CN− (aq)

In the above equation HCN(aq) is acting as

a)

an acid

b)

a conjugate acid

c)

a base

d)

a conjugate base

12.

The use of an indicator is not appropriate in titrations involving

a)

hydrochloric acid solution and methylamine solution

b)

nitric acid solution and potassium hydroxide solution

c)

methanoic acid solution and ammonia solution

d)

propanoic acid solution and sodium hydroxide solution.

13.

The order of a reaction

a)

can only be obtained by experiment

b)

determines the speed of the overall reaction

c)

is determined by the stoichiometry involved

d)

is the sequence of steps in the reaction mechanism.

14.

What is nano ?

a)

10-9

b)

10-6

c)

106

d)

109

15.

Round 0.0357 to 2 significant figures.

a)

0.03

b)

0.040

c)

0.036

d)

0.04

16.
a)

A

b)

B

c)

C

d)

D

17.
a)

A

b)

B

c)

C

d)

D

18.

Light behaves as both a(n) ___ and a(n) ___.

a)

gas and particle

b)

wavelength and matter

c)

wave and particle

d)

spectrum and frequency

19.

The minimum energy required to transform reactants into an activated complex is called

a)

Activation energy

b)

Kinetic energy

c)

Potential energy

d)

Heat energy

20.

In the following reaction, which compound is consider a salt?


H2SO4 + 2 KOH → K2SO4 + 2 H2O

a)

H2SO4

b)

KOH

c)

K2SO4

d)

H2O

21.
a)

A

b)

B

c)

C

d)

D

22.
Light from the sun reaches us in nearly
a)
2 minutes
b)
4 minutes
c)
8 minutes
d)
16 minutes
23.
Which of these is a unit of work?
a)
Watt
b)
Meter
c)
Joule
d)
Newton
24.
Newtons 3rd Law explains 
a)
For every action, there is an opposite but equal reaction
b)
F= MxA
c)
Inertia
d)
An object in motion stays in motion unless acted upon by an outside force
25.

The following features are found only in the plant cell

a)

Lysosome

b)

Cell wall

c)

Chloroplast

d)

Central vacuole

26.

It provides the cell with energy

a)

Vesicle

b)

Nucleus

c)

mitochondria

d)

Vacuole

27.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
28.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
29.

Name the largest animal currently living on this planet

a)

elephant

b)

dinosaur

c)

blue whale

d)

giraffe

30.

Which has more sugar in it?

a)

ketchup

b)

pineapple

c)

cucumber

d)

coca cola

31.

What superpower does Batman have?

a)

superintelligence

b)

invisibility

c)

none

d)

X-ray vision

32.

At the start of a chess game, who moves first?

a)

Black

b)

White

c)

Rock, Paper, Scissors

d)

Doesn't matter

33.

Which state is the biggest in the US? (land not population)

a)

Texas

b)

Florida

c)

Alaska

d)

California

34.

From Monday, how many days of school do you have left? (excluding exams and prom)

a)

26

b)

43

c)

39

d)

52

35.

How many seconds are in 1 hour?

a)

1000

b)

1200

c)

3600

d)

6000

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