English

In Which Part of a Group Would You Separately Expect the Elements to Have The Greatest Metallic Character

Advertisements
Advertisements

Question

 In which part of a group would you separately expect the elements to have the greatest metallic character

One Line Answer
Advertisements

Solution 1

The greatest metallic character is expected by elements in the lowest part of the group, as the metallic (electropositive) character increases on going down in a group.

shaalaa.com

Solution 2

The greatest metallic character can be expected at the bottom of the group.

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: The Periodic Table - Exercise 5 (B) [Page 89]

APPEARS IN

Selina Concise Chemistry [English] Class 9 ICSE
Chapter 5 The Periodic Table
Exercise 5 (B) | Q 12.1 | Page 89

RELATED QUESTIONS

The electrons in the atoms of four elements A, B, C and D are distributed in three shells having 1, 3, 5 and 7 electrons in the outermost shell respectively. State the period in which these elements can be placed in  the modern periodic table. Write the electronic configuration of the atoms of A and D and the molecular formula of the compound formed when A and D combine.


Why does the size of the atoms progressively become smaller when we move from sodium (Na) to chlorine (Cl) in the third period of the periodic table?


Which of the following element does not lose an electron easily?

(a) Na
(b) F
(c) Mg
(d) Al


Name the element of lower nuclear charge out of Be and Mg.


An element 'M' has atomic number 11.

(a) Write its electronic configuration.

(b) State the group to which 'M' belongs.

(c) Is 'M' a metal or a non-metal.

(d) Write the formula of its chloride.


'In a group, the atomic radii increase with increasing period number', explain this statement and justify it with reference to group 17.


In the above table, H does not represent hydrogen.Some elements are given in their own symbol and position in the periodic table while others are shown with a letter. With refrence to the table answer the following questions.
1. Identify the most electronegative element.
2. Identify the most reactive element of Group I.
3. Identify the element from Period 3 with least atomic size.
4. How many valence electrons are present in Q?
5. Which element from group 2 would have the least ionisation energy?
6. Identify the noble gas of the fourth period.
7. In the compound between A and H, what type of bond would be formed and give its molecular formula.


Arrange the following in order of increasing radii: 

 Mg2+, Mg, Mg


Write the electronic configuration of element 17T35.

  1. What is the group number of T?
  2. What is the period number of T?
  3. How many valence electrons are there in an atom of T?
  4. What is the valency of T?
  5. Is it a metal or non-metal?
  6. State number of protons and neutrons in T.

An element belongs to the third period and Group IIIA (13) of the periodic table. State: the number of valence electrons,


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×