Periodicity

According to which order is periodic table formed?

• Increasing atomic mass
• Decreasing atomic number 
• Increasing atomic number
• Decreasing atomic mass

Who constructed the most accurate periodic table before modern periodic table? 

• Mendeleev
• Bohr
• Cavendish
• Rutherford

What elements are located in group 7A in periodic table?

• Alkali metals
• Noble gases
• Halogens
• Alkaline earth metals

Which of the following metals has the most metallic properties?

• Li
• Be
• Mg
• Ni

Which of the following non-metals has the least non-metallic properties? 

• F
• C
• O
• P

Which of the following atoms has the smallest radius?

• Na
• Mg
• Al
• Ar

Which of the following atoms has the lowest electronegativity?

• Na
• Ba
• N
• F

Which of the following pair of elements can able to make the strongest ionic bond? 

• Na and H
• K and O
• Li and Cl
• Rb and F

What is the valency of Oxygen ?

• 2
• 3
• 4
• 5

What elements are located in group 2A in periodic table?

• Noble gases
• Alkaline earth metals
• Alkali metals
• Halogens