Chemistry Periodic Table Multiple Choice Questions (MCQ) PDF - 148

MCQ 736: The element which perfectly matched the qualities which Mendeleev predicted in his Periodic table was

1. silicon
2. geranium
3. radium
4. radon

MCQ 737: An increase in the nuclear charge down the Group II

1. makes the loss of outer electrons possible
2. shielding effect decreases
3. distance from the outer electrons increases
4. none of above

MCQ 738: The elements of group II in periodic table are also known as

1. alkaline earth metals
2. alkalis
3. bases
4. acids

MCQ 739: Structural formula -CONH₂ is representing

1. alkyls
2. amines
3. amides
4. arenes

MCQ 740: Each atom (Cl) in a Chlorine molecule (Cl₂) has three lone electrons and

1. one pair of shared electrons
2. two pairs of shared electrons
3. three pairs of shared electrons
4. none of above