English
Maharashtra State BoardSSC (English Medium) 10th Standard

Write the name and symbol of the element from the description. The noble gas with the smallest atomic radius. - Science and Technology 1

Advertisements
Advertisements

Question

Write the name and symbol of the element from the description.

The noble gas with the smallest atomic radius.

Very Short Answer
Advertisements

Solution

Name: Helium

Symbol: He

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Periodic Classification of Element - Exercises [Page 29]

APPEARS IN

Balbharati Science and Technology 1 [English] Standard 10 Maharashtra State Board
Chapter 2 Periodic Classification of Element
Exercises | Q 5.4 | Page 29

RELATED QUESTIONS

Arrange the following as per the instruction given in the brackets:

Na, K, Li (Increasing atomic size)


What do you understand by atomic size? State its unit?


Size of atom progressively becomes smaller when we move from sodium (Na) to chlorine (CI) in the third period of the periodic table?


Arrange the following in order of increasing radii:

CI- , CI 


Write the name and symbol of the element from the description.

The atom having the smallest size.


Among the elements of the second period, Li to Ne, pick out the element with the largest atomic size


Fill in the blank by selecting the correct word from the bracket.
If an element has seven electrons in its outermost shell then it is likely to have the _____ atomic size among all the elements in the same period.


On moving from left to right in a periodic table, the size of the atom _______.


While going from top to bottom in a group the atomic radius _______.


Nanometer unit is used to measure atomic radius.


The electronic configuration of metal A is 2, 8, 18, 1.

The metal A when exposed to air and moisture forms B a green layered compound. A with con. H2 SO4 forms C and D along with water. D is a gaseous compound. Find A, B, C, and D.


Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If the atomic number of carbon is 6, the atomic number of silicon is ______


Which of the following gives the correct increasing order of the atomic radii of O, F, and N?


Which of the following are the characteristics of isotopes of an element?

  1. Isotopes of an element have same atomic masses
  2. Isotopes of an element have same atomic number
  3.  Isotopes of an element show same physical properties
  4. Isotopes of an element show same chemical properties

  1. In below ladder symbols of elements are jumbled up. Rearrange these symbols of elements in the increasing order of their atomic number in the Periodic Table.
  2. Arrange them in the order of their group also.


An element with the largest atomic radius among the following is ______.


Arrange the following as per the instruction given in the bracket:

Carbon, Fluorine, Beryllium (decreasing order of atomic size).


Which one of the following has the largest atomic radius?


This question refers to the elements of the Periodic Table with atomic numbers from 3 to 18. Some of the elements are shown by letters, but the letters are not the usual symbols of the elements.

3 4 5 6 7 8 9 10
A B C D E F G H
11 12 13 14 15 16 17 18
I J K L M N O P

Which of these have least atomic size in period 3?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×