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Create a vibrant and educational illustration of the periodic table of elements, highlighting key elements like hydrogen, oxygen, carbon, and noble gases, with a background of a laboratory setting and scientific tools.

Elements and Their Discovery Quiz

Test your knowledge of the periodic table and the history of chemistry with our engaging quiz. Challenge yourself and see how well you understand the relationships between elements and their properties.

In this quiz, you will explore:

The Law of Octaves
Mendeleev's contributions to chemistry
Acidic and basic oxides
Periodic trends in the table of elements

21 Questions5 MinutesCreated by LearningAtom101

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Q1 :- Newlands relation is called

Musical Law

Law of Octaves

Periodic Law

Atomic Mass Law

Q2 :-Upto which element, the Law of Octaves was found applicable?

Oxygen

Calcium

Cobalt

Potassium

Q3 :-At the time of Mendeleev, the number of elements known was

Q4 :-The properties of eka-aluminium predicted by Mendeleev are the same as the properties of later discovered element:

Scandium

Germanium

Gallium

Aluminium

Q5 :- Which of the following is the atomic no. Of an element that forms basic oxide ?

Q6 :- Which of the following does not decrease while moving down the group of the periodic table ?

Atomic Radius

Metallic Character

No. Of shells in the atom

Valence Electrons

Q7 :-On moving from left to right in a period in the periodic table, the size of the atom

Increases

Decreases

Does not change appreciably

First decreases and then increases.

Q8 :-In which group are inert elements placed? ‘

Group 8

Group 10

Group 1

Group 18

Q9 :-Which of the following property will be common in group 1 elements?

Mass number

Number of protons in nucleus

Atomic number

Number of valence electrons

Q10 :-According to Medeleev’s Periodic Law, the elements were arranged in the periodic table in the order of

Increasing atomic number

Decreasing atomic number

Increasing atomic masses

Decreasing atomic masses

Q11 :-The longest period of the Modern Periodic Table is period.

First

Second

Fourth

Sixth

Q12 :-Eka-aluminium and Eka-silicon are known as

Gallium and germanium

Aluminium and silicon

Iron and sulphur

Neutron and proton

Q13 :-Pick out the odd one -

Argon

Neon

Barium

Helium

Q14 :-Which out of them has the biggest radii?

Q15 :-The number of electrons in valence shell is equal to -

Atomic mass

Group number

period number

Atomic volume

Q16 :-24. Which of the following set of elements is written in order of their increasing metallic character?

Na Li K

C Q N

Mg Al Si

Be Mg Ca

Q17 :-. Which of the following elements will form an acidic oxide ?

An element with atomic number 7

An element with atomic number 3

An element with atomic number 12

An element with atomic number 19

Q18 :- The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?

Metal

Metalloid

Non-metal

Left-hand side element

Q19 :-An element with atomic number will form a basic oxide________

Q20 :-Why are elements classified?

To enable a better understanding on fundamental properties of elements.

To find a place for each element and know about its relationship with other elements.

To understand each element in a better way based on various observations.

All of the above

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