Question 3 :
Trend of atomic size from left to right across a period

Question 4 :
The number of electrons present in the valence shell of halogen is :

Question 5 :
On moving from left to right across a period of the periodic table, the ionization potential :

Question 6 :
The trend of ionization potential from left to right across a period

Question 7 :
On moving from left to right across a period of the periodic table, the electron affinity of the elements in groups 1 to 7 :

Question 11 :
The trend of electron affinity from left to right across a period

Question 14 :
The amount of energy released when an atom in gaseous state accepts an electron from another source is known as

Question 15 :
The element in group 17 (VIIA) which one is in liquid state at room temperature

Question 18 :
If two combining atoms have similar electronegativities, the bond between them is

Question 19 :
The ratio between the number of molecules in 2 g of hydrogen and 32 g of oxygen is :

Question 22 :
On moving from left to right across a period of the periodic table, the electronegativity :

Question 23 :
On moving from left to right in a given period, the number of shells remains the same.

Question 24 :
On moving from left to right across a period of the periodic table, the non-metallic character of the elements :

Question 25 :
On moving from left to right across a period of the periodic table, the atomic size :

Question 27 :
The number of electron at the outer most shell in elements of group 13 is

Question 28 :
The number of electron at the outer most shell in elements of group 17 is

Question 29 :
An element in period 3 whose electron affinity is zero :

Question 30 :
Among the period 2 elements, the element which has high electron affinity is :

Question 33 :
The highest capacity of electron in an orbit follow the rule

Question 35 :
The trend of nonmetallic character from left to right across a period

Question 38 :
The number of electron at the outer most shell in elements of group 16 is

Question 40 :
<table><tr><th>Column A </th> <th>Column B</th> </tr> <tr><td>1. Proton</td> <td>a.An alkaline earth metal</td> </tr> <tr><td>2. Sodium</td> <td>b.Halogen</td> </tr> <tr><td>3. Barium</td> <td>c.Noble gas</td> </tr><tr><td>4. Chlorine</td> <td>An alkali metal</td> </tr><tr><td>5. Electron</td> <td>d.Responsible for nuclear charge</td> </tr><tr><td>6. Completed shell</td> <td>e.Occupied sub-shell.</td> </tr></table>

Question 42 :
In the periodic table, alkali metals are placed in the group :

Question 43 :
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is :

Question 44 :
If an element A belongs to period 3 and Group II then it will have :

Question 46 :
Ionisation potential increases over a period from left to right because the :

Question 47 :
If an element gains one or more electrons with energy, it can be called as

Question 48 :
Among the elements given below, the element with the least electronegativity is :