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WorksheetsPeriodic Table
Total questions: 20
Worksheet time: 10mins
The elements in the Periodic Table of Elements is arranged based on the increasing of
the number of shell
the number of proton
the number of electron
the nucleon number
The diagram shows a set-up of apparatus to investigate the reaction between sodium metal and water.
Which of the following is true about the above experiment
Acidic solution is formed
Salt solution is formed
Alkali solution is formed
Neutral solution formed
Argon atom has an electron arrangement of 2.8.8.
Which of the following is true for argon?
Exist as diatomic atom
Has high melting point
Reacts with oxygen to form a compound
It is in group 18 in The Periodic Table of Elements
Which of the following chemist arranged the elements in the Periodic Table of Elements in order of increasing proton number?
Moseley
Mendeleev
Dobereiner
Lothar Meyer
Which of the following statements best explain the stability of inert gases?
Have octet electron arrangement except helium
Can accept, lose or share electron
Have 8 valence electrons
Exists as polyatomic gases
What happen when a small piece of burning sodium is quickly placed into a gas jar filled with chlorine gas?
Heat is absorbed by the gas jar
Temperature remains constant inside the gas jar
The white solid dissolves readily in organic solvent
The white solid produced that dissolves in water
Which of the following elements are in Group 18 in the Periodic Table of elements?
Helium and oxygen
Helium and neon
Hydrogen and oxygen
Helium, hydrogen and oxygen
Which of the following properties can be used to show that copper is a transition element?
It can conduct electricity in the solid and liquid states
It forms coloured ions
It is ductile and malleable
It has a high density
Astatine is below iodine in Group 17 of Periodic Table.
Which of the following statements is true for astatine?
Form basic oxide
Exists as monoatom
Solid at room temperature
More electronegative than iodine
Element G is placed in Group 14 and Period 2.
What is the proton number for atom G?
2
6
18
18
Neon and Argon are unreactive properties. Why?
they have achieved stable octet electron arrangement
they belongs to Group 18 in the Periodic Table
they are held together by weak Van der Waals forces of attraction
they are known as noble gasses
Which of the following noble gases is used to fill airships and weather balloons ?
Neon
Helium
Argon
Krypton
Which of following is the proton number of the element that reacts most vigorously with water ?
3
11
12
19
The elements in Period 3 of the Periodic Table of Elements able to react with oxygen and form oxides.
Which of the following properties are correct?
Sodium oxide is alkaline whereas magnesium oxide is acidic
Phosphorus oxide shows strong metallic properties
Aluminium oxide is an amphoteric
All oxides formed can react with alkali and acid
Element Q has the same chemical property as the element of magnesium with the proton
number of 12.
The letter Q is not the actual symbol of the element.
Which of the following is the electron arrangement for an atom of element Q?
2
2.8
2.8.2
2.8.8.2
The following statements show the properties of an element belonging to one particular group when going down the group.
- · The reactivity of the elements decreases.
- · The colour of the elements becomes darker.
- · The melting point of the elements increases.
Which of the following group of elements has the above properties?
Group 1
Group 2
Group 17
Group 18
Which of the following has the same number of electrons or isoelectronic with neon, Ne?
[Proton Number : He = 2, O = 8, Ne = 10, Na = 11, Mg = 12, Al = 13, Cl=17, Ca=20, Ar = 40 ]
He and Ar
O2- and Na+
Cl- and Al3+
Mg2+ and Ca2+
The following statements refer to the contributions of scientist in the development of the Periodic Table.
- · First scientist to classify the element into four groups
- · The four group consisted of gases, metals, non metals and metal oxides
Antoine Lavoisier
Johann W Dobreiner
Lothar Meyer
Dimitri Mendeleev
Element Y is located in the same group as sodium in the Periodic Table.
Y is not the actual symbol of the element.
Which of the following statements are the chemical properties of element Y?
Reacts with water to form acid solution
Reacts with oxygen to form white solid
Reacts with chlorine gas to produce a black solid
Reacts with sodium hydroxide to produce an acidic solution
Which of the following is the correct catalyst and its respective industrial process ?
Nickel-Contact Process
Iron- Haber Process
Vanadium(V) oxide -Hydrogenation of Palm oil
Copper-Ostwald Process
