Advertisements
Advertisements
प्रश्न
Name two elements in Inert gas.
Advertisements
उत्तर
Neon and Argon.
APPEARS IN
संबंधित प्रश्न
What is the significance of atomic number in the modern classification of elements? Explain with the help of an example.
Consider the following elements:
Ca, Cl, Na, I, Li, Ba, Sr, K, Br
Separate these elements into three groups (families) of similar properties. State one property in each case on the basis of which you have made your choice.
State the term
The tabular arrangement of elements in horizontal rows and vertical columns _________
Name the type of elements which have two outermost shell incomplete.
The electronic configuration of an element T is 2, 8, 8, 1.
What is the period number of T?
Name the cation and the anion in the salt – calcium sulphate
Give the symbol and valency of the following element and radical.
Nitrate
Give the chemical formula of sodium sulphite
The elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13 respectively. Which pair of elements belong to the same group?
What is the general name of the last elements of the Periodic Table?
