Advertisements
Advertisements
प्रश्न
Name the type of elements which have outermost shell incomplete.
Advertisements
उत्तर
Representative elements
संबंधित प्रश्न
Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?
The position of three elements A, B and C in the Periodic Table are shown below –
|
Group 16
|
Group 17
|
|
−
|
−
|
|
−
|
A
|
|
−
|
−
|
|
B
|
C
|
(a) State whether A is a metal or non-metal.
(b) State whether C is more reactive or less reactive than A.
(c) Will C be larger or smaller in size than B?
(d) Which type of ion, cation or anion, will be formed by element A?
How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?
What is periodicity in properties of elements with reference to the Modern Periodic Table?
How does the chemical reactivity of alkali metals vary on going in group 1 of the periodic table?
On the basis of electronic configuration, how will you identify chemically similar elements?
Give the chemical formula of sodium hydroxide
What are the periods in a periodic table?
Name two elements that you would expect to show chemical reactions similar to calcium. What is the basis of your choice?
Name the following metal:
A metal present in period 3, group 1 of the periodic table.
