English
Maharashtra State BoardSSC (English Medium) 10th Standard

Match the columns. Column A- 1) Alkaline earth metals 2) Alkali metals 3) Halogen 4) Noble gas Column B- a) Group 18 b) Group 17 c) Group 2 d) Group 1 e) Group 14 - Science and Technology 1

Advertisements
Advertisements

Question

Match the columns.

Column A Column B
1) Alkaline earth metals a) Group 18
2) Alkali metals b) Group 17
3) Halogen c) Group 2
4) Noble gas d) Group 1
  e) Group 14
Match the Columns
Advertisements

Solution

Column A Column B
1) Alkaline earth metals c) Group 2
2) Alkali metals d) Group 1
3) Halogen b) Group 17
4) Noble gas a) Group 18
shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Periodic Classication of Element - Match the columns

APPEARS IN

SCERT Maharashtra Science and Technology 1 [English] 10 Standard SSC
Chapter 2 Periodic Classication of Element
Match the columns | Q 5

RELATED QUESTIONS

Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.
3Li, 14Si, 2He, 11Na, 15P Which of these elements belong to be period 3?


Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.

 1H, 7N, 20Ca, 16S, 4Be, 18Ar Which of these elements belong to the second group?


Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.

7N, 6C, 8O, 5B, 13Al Which is the most electronegative element among these?


Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with an explanation.

13Al, 14Si, 11Na, 12Mg, 16S

Which of the above elements has the highest metallic character?


Write the scientific reason.

The third period contains only eight elements even though the electron capacity of the third shell is 18


An element has its electron configuration as 2, 8, 2. Now answer the following question.

To which period does this element belong?


_______ is the outermost shell for elements of period 2.


Which pair of atomic numbers represents elements in the same group?


Write the name of an element having electronic configuration 2,8,2.


Match the columns.

Column A Column B
Electronic
configuration
Valency
1) 2, 2 a) 1
2) 2, 8, 1 b) 2
3) 2, 5 c) 3
  d) 5

The valency of the elements in group 2 is 1.


The elements lithium and beryllium are in the same period because their valencies are similar.


Write an Explanation.

Group


Electronic configuration of element A is 2,8,1. Answer the following questions based on this information.

  1. What is the atomic number of element A?
  2. Find the group to which this element belongs.

Write name of elements, symbol, atomic number, electronic configuration of second period in modern periodic table?


Identify periods of elements and blocks of elements from given electronic configuration?

  1. 2, 8, 2
  2. 2, 8, 7
  3. 2, 1

Make a chart which shows the name of the element, valency, atomic number, electronic configuration in the 2nd row of the modern periodic table and arrange these elements in ascending order of atomic mass.


An element has its electron configuration as 2, 8, 1. Now answer the following questions:

  1. What is the atomic number of this element?
  2. What is the group of this element?
  3. To which period does this element belong?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×