Everyday Science MCQs — Test 97
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Question 1
The atoms of same element having same atomic number but different mass number are called____________________?
Question 2
Which of the following ion is stable in aqueous solution ?
Question 3
An element has electronic conviguration 1s2 2s2 2p2. It belongs to__________________?
Question 4
The atomic radii decreases by increasing atomic number in________________?
Question 5
Shielding effect across the period_________________?
Question 6
Higher value of electron affinity means__________________?
Question 7
Melting points of VII-A group elements down the group ____________________?
Question 8
Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?
Question 9
The Distance of Neptune From Sun is ________ astronomical unit.
Question 10
Deficiency of vitamin B1 is causes__________?