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Year 9 Test 4 States of matter and Atoms

Total questions: 50

Worksheet time: 36mins

Name
Class
Date
1.

How many subatomic particles are there in an Atom?

a)

1

b)

2

c)

3

d)

Infinite

2.

What is Group 8 referred as?

a)

Halogens

b)

Alkaline

c)

Alkali

d)

Noble Gases

3.

Where will you find electrons in an atom?

a)

Nucleus

b)

Moving around the nucleus

c)

Directly next to a proton

d)

Atoms don't have electrons, only protons and neutrons

4.

Which particles contribute to the mass of an atom?

a)

How much space they take up

b)

Protons and Neutrons

c)

Electrons and Quarks

d)

Protons and Electrons

5.

Which of the following are found in the nucleus?

a)

protons and electrons

b)

protons ONLY

c)

protons and neutrons

d)

Electrons only

6.

________________ have a positive charge, ___________________ have NO charge, and _____________________ have a negative charge.

a)

Protons, Electrons, Neutrons

b)

Neutrons, Electrons, Protons

c)

Protons, Neutrons, Electrons

d)

Electrons, Neutrons, Protons

7.

Which of the following are found on the left side of the zig zag line on the periodic table?

a)

Non-metals

b)

metalloids

c)

metals

d)

compounds

8.

_________________________ are the horizontal rows on the periodic table while _______________________ are the vertical columns.

a)

periods/ groups(families)

b)

groups(families)/periods

c)

metals/non-metals

d)

non-metals/metals

9.

Which of the following elements is in (period 4 , group 2)

a)

Carbon

b)

Potassium

c)

Calcium

d)

Sodium

10.

Which of the following has similar properties to potassium (K) because they are in the same group(family)

a)

Sodium (Na)

b)

Magnesium (Mg)

c)

Calcium (Ca)

d)

Gold (Au)

11.

The element Zinc (Zn) has an atomic number of 30 and an atomic mass of 65 therefor each atom of zinc contains ___________protons, ______________neutrons, and _____________electrons.

a)

30,30,35

b)

30, 30, 25

c)

30, 35, 30

d)

35, 30, 30

12.
What element is will have the most similar physical and chemical properties to the element Lithium (Li)?
a)
Sodium (Na)
b)
Magnesium (Mg)
c)
Beryllium (Be)
d)
Calcium (Ca)
13.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
14.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
15.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
16.

What group and period does this element belong in? *

a)

period 1 and group 3

b)

period 3 and group 1

c)

period 2 and group 3

d)

period 3 and group 2

17.

Which period is Oxygen found in?

a)

Period 1

b)

Period 2

c)

Period 3

d)

Group 16

18.

Contains two or more atoms chemically combined

a)

Elements

b)

Compounds

c)

Mixtures

19.

Examples are Neon (Ne) and Uranium (U)

a)

elements

b)

mixtures

c)

compounds

20.

This picture represents which of the following?

a)

element

b)

compound

c)

mixture

21.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
22.
Salt is a _________. 
a)
compound 
b)
element 
c)
mixture 
23.

Rubidium is a soft, silvery-white metal that has two common isotopes, 85-Rb and 87-Rb.


If the abundance of 85-Rb is 72.2% and the abundance of 87-Rb is 27.8%


What is the average atomic mass of rubidium?


(Do not include units)

(a)  

24.

The __________ has the same number of Protons but different number of Neutrons.

a)

Ion

b)

Element

c)

Isotopes

d)

Atom

25.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
26.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
d)
70
27.

Isotopes of an element have a different number of...

a)

Protons

b)

Neutrons

c)

Electrons

d)

Mass

28.
What is matter?
a)
Anything that has mass and volume
b)
The shape of an object
c)
How much an object weighs
d)
The pull of objects on one another
29.

What will happen when heat turns a frozen solid into a liquid.

a)

Evaporate

b)

Liquid

c)

Gas

d)

Melting

30.

a. The steam makes window cloudy. What is the process involved?

a)

Evaporation

b)

Melting

c)

Freezing

d)

Condensation

31.

The particles in a matter always colliding with one another. When heat energy is supplied, the particles will move ________________

a)

slower

b)

randomly

c)

faster

d)

static

32.
Two or more substances mingled together, but not chemically combined are known as a
a)
residue
b)
solution
c)
distillate
d)
mixture
33.
Which one of the following techniques would best be used to separate soil and water?
a)
Decanting
b)
distillation
c)
Filtration
d)
Chromatography
34.
Water and alcohol are easily separated by distillation because of their
a)
 different melting points
b)
different colours
c)
different densities
d)
different boiling points
35.
How would you separate a mixture of sand and salt? 
a)
Mix them with water and let the water evaporate
b)
Mix them with water, pour the mixture through a sieve, then let the water evaporate
c)
Heat the sand and salt mixture for 5 minutes, then let it cool
d)
I would not do any of these because none of these options would work
36.
Which one of the following is NOT a mixture?
a)
Sugar
b)
Paint
c)
Crude oil
d)
Air
37.
On the chromatogram given -------------- is mixture.
a)
red
b)
orange
c)
green
d)
black
38.
A pure substance shows ------------------ spot on chromat gram
a)
0
b)
1
c)
2
d)
3
39.

Ink can be separated by a method of -----------------------------------------------

a)

distillation

b)

filtration

c)

chromatography

d)

sedimentation

40.
chromatography separates the mixture of dyes on the basis of their ----------------------------
a)
density
b)
solubility
c)
gravity
d)
boiling point
41.

Which if the following is the correct arrangement of electrons in different shells for an element with atomic number 17 ?

a)

2,8,7

b)

8,8,1

c)

2,8,1,6

d)

2,8,2,5

42.

An atom has atomic number 4 the number of electrons in its outermost orbit will be ?

a)

2

b)

6

c)

4

d)

1

43.

When MgO is dissolved in water, Mg(OH)2 is obtained. The solution thus obtained is _______________ in nature.

a)

Amphoteric

b)

Alkaline

c)

Neutral

d)

Acidic

44.

Metal react with oxygen to produce _________ oxides and non-metal react with oxygen to produce_________ oxides.

a)

Acidic, Basic

b)

Basic, Acidic

c)

Basic, Basic

d)

Acidic, Acidic

45.

Which of the following metal exist in liquid state in room temperature?

a)

Mercury

b)

Bromine

c)

Aluminium

d)

Sodium

46.
Where are the non-metallic elements found in the periodic table?
a)
In the middle
b)
In the top rows
c)
On the left-hand side
d)
On the right-hand side
47.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
48.

Calculate the average atomic mass of the element iron (Fe) using the following data:

[Isotope / % abundance]

[Iron 54 / 6% ] [Iron 56 / 92% ] [ Iron 57 / 2% ]

a)

53.7 amu

b)

54.9 amu

c)

5592.0 amu

d)

55.9 amu

49.
An isotope has three forms.  30% have a mass of 4 amu, 20% have a mass of 5 amu and 50% have a mass of 3 amu.  Average atomic mass will be closest to
a)
2 amu
b)
3 amu
c)
4 amu
d)
5 amu
50.

Calculate the Rf value of the yellow ink in the picture.

a)

0.5

b)

1.3

c)

3

d)

0.33

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