English
Maharashtra State BoardSSC (English Medium) 10th Standard

Rearrange the columns 2 and 3 so as to match with the column 1. Column 1 Column 2 Column 3 i. Triadii. Octaveiii. Atomic numberiv. Periodv.

Advertisements
Advertisements

Question

Rearrange the columns 2 and 3 so as to match with the column 1.

Column 1 Column 2 Column 3
i. Triad a. Lightest and negatively charged particle in all the atoms 1. Mendeleev
ii. Octave b. Concentrated mass and positive charge 2. Thomson
iii. Atomic number c. Average of the first and the third atomic mass 3. Newlands
iv. Period d. Properties of the eighth element similar to the first 4. Rutherford
v. Nucleus e. Positive charge on the nucleus 5. Dobereiner
vi. Electron f. Sequential change in molecular formulae 6. Moseley
Match the Columns
Advertisements

Solution

Column I
Column II
Column III
i. Triad c. Average of the first and the third atomic mass 5. Dobereiner
ii. Octave d. Properties of the eight-element similar to the first. 3. Newlands
iii. Atomic Number e. Positive charge on the nucleus. 6. Moseley
iv. Period f. Sequential change in molecular formulae 1. Mendeleev
v. Nucleus b. Concentrated mass and positive charge 4. Rutherford
vi. Electron a. Lightest and negatively charged particle in all the atoms 2. Thomson
shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Periodic Classification of Element - Exercise [Page 28]

APPEARS IN

Balbharati Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
Chapter 2 Periodic Classification of Element
Exercise | Q 1. | Page 28

RELATED QUESTIONS

Why do we classify elements?


As element X has mass number 40 and contains 21 neutrons in its atom. To which group of the periodic table does it belong?


The non-metal A is an important constituent of our food and most of the fuels around us. A forms two oxides B and C. The oxide B is poisonous whereas oxide C causes global warming.

(a) Identify A, B and C.
(b) To which group of periodic table does A belong?
(c) Name another element which is placed in the  same group as A.


The elements Li, Na and K, each having one valence electron, are in period 2, 3 and 4 respectively of modern periodic table.

(i) In which group of the periodic table should they be ?

(ii) Which one of them is least reactive ?

(iii) Which one of them has the largest atomic radius ? Give reason in justify your answer in each case.


In which block of the modern periodic table are the nonmetals found?


What was the basis of the earliest attempts made for classification and grouping of elements?


The number of periods and groups in the periodic table are ______


______ group contains the member of the halogen family.


If the distance between two Cl atoms in a Cl2 molecule is 1.98Å, then the radius of the Cl atom is ______.


Among the given species A–, A+, and A, the smallest one in size is ______.


What is the atomic number of elements of period 3 and group 17 of the Periodic Table?


Name the neutral atom in the Periodic Table which has the same number of electrons as K+ and Cl-.


Consider the following elements 20Ca, 8Or 18Ar, 16S, 4Be, 2He
Which of the above elements would you expect to be in group 16 of the Periodic Table?


Which one of the following statements is not correct about the trends in the properties of the elements of a group on going down in a group?


The elements of group 16 are called ______ 


In which group are inert elements placed?


Relate the names of the following scientists with the statements given below.

Arranged elements in a group of seven with increasing atomic masses and eighth elements with similar properties kept below the first like eight note in an act of music.


Complete the following triads by inserting the missing elements.

Li, ______, K


Element 'X' forms an oxide with the formula X2O3 which is a solid with high melting point. ‘X’ would most likely be placed in the group of the Periodic Table as:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×