Periodic Classification of Elements: MCQ Test
25 questions · pick one option for each · submit when you finish to see your score and the correct answers.
Question 1 of 25
If the elements are listed in order of increasing atomic weights, every eighth element will have properties similar to those of the element before it. This rule is:
- AMendeleev's periodic law
- BDobereiner's law of triplets
- CDuma attempt
- DNewlands' law of octaves
Question 2 of 25
The total number of groups in the modern periodic table is
- A7
- B9
- C16
- D18
Question 3 of 25
Which scientist arranged the periodic table of elements in increasing order of atomic masses?
- ARobert Boyle
- BWilliam Ramsay
- CHenry Moseley
- DDmitri Mendeleev
Question 4 of 25
The heaviest metal is-
- Asilver
- BSleep
- CMercury
- DOsmium
Question 5 of 25
The vertical columns of the periodic table are called
- Aperiodicity
- BSocial class
- CMetal
- Dnonmetal
Question 6 of 25
Who is the father of the periodic table of elements?
- Awanderwalls
- BJohann Beyer
- CAlfred Nobel
- DMendeleev
Question 7 of 25
According to Mendeleev, the properties of elements are periodic functions of—
- Aof atomic weight
- Bof atomic volume
- Catomic number of
- Dof atomic density
Question 8 of 25
The lightest metal is
- AMagnesium
- Baluminum
- CPlatinum
- DLithium
Question 9 of 25
Consider the following statement - "The atomic number of an element is a more fundamental property than its atomic mass." Which of the following scientists made the above statement?
- AMendeleev
- BHenry Moseley
- CThomson
- DRutherford
Question 10 of 25
Mendeleev could not assign correct position to it in his periodic table.
- Anitrogen
- BCarbon
- Coxygen
- Dhydrogen
Question 11 of 25
The horizontal columns of the periodic table are called
- Aperiodicity
- BSocial class
- CMetal
- Dnonmetal
Question 12 of 25
The classification of elements in Mendeleev's periodic table is based on
- Aatomic mass
- Batomic number
- Catomic volume
- Datomic density
Question 13 of 25
Which element comes before carbon in the modern periodic table
- ALithium
- BMagnesium
- CBoron
- DBeryllium
Question 14 of 25
The total number of periods in the modern periodic table is
- A5
- B7
- C9
- D16
Question 15 of 25
Which of the following elements is most electronegative?
- Aoxygen
- BFluorine
- Csodium
- Dchlorine
Question 16 of 25
The classification of elements in the modern periodic table is based on
- Aatomic number
- Batomic mass
- Catomic volume
- Datomic density
Question 17 of 25
The characteristic of transition elements is
- AIncomplete d-wintle
- BIncomplete f orbital
- Cincomplete p-orbital
- DOrbital(s) incomplete
Question 18 of 25
Who first classified the elements?
- ALothar Meyer
- BNewlands
- CMendeleev
- DDobereiner
Question 19 of 25
Who among the following gave the 'Law of Octaves'?
- AMendeleev
- BNewlands
- CLavoisier
- DDobereiner
Question 20 of 25
The long form of the periodic table depends on—
- Aon the size of the atom
- Bon the atomic mass
- Con atomic number
- Don electronegativity
Question 21 of 25
The most abundant element on Earth is
- Aoxygen
- Bsilicon
- Caluminum
- Dpenis
Question 22 of 25
In the year 1817, ......... tried to arrange elements with similar properties into groups.
- AEmmy Noyther
- BHenry Moseley
- CDöbernier
- DMendeleev
Question 23 of 25
Two elements in the periodic table are named after France, one of them is francium. What is the other element?
- AFluorine
- BChromium
- CFermium
- DGallium
Question 24 of 25
The elements are arranged in the modern periodic table
- Ain decreasing atomic weight
- BIncreasing atomic weight
- CIncreasing atomic volume
- DIncreasing atomic number
Question 25 of 25
97.2% of the Earth's crust is made up of how many elements?
- A5
- B8
- C11
- D19