neet exam

All the inert gases are placed in 1. Zero group 2. First group 3. Second group 4. Third group

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Based on the electronic configuration, the elements are classified into….. classes 1. Two 2. Three 3. Four 4. Five

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Elements from atomic number 89 (Actinium) to 102 (Nobelium) are known as 1. Lanthanoids 2. Actinoids 3. Inertgases 4. Representative elements

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According to Newlands concept of actaves if elements are arranged sequentially in the increasing order of their atomic weights 1. Every sixth element is having similar properties 2. Every eighth element is having similar properties 3. Every eighteenth element is having similar properties 4. Every fourth element is having similar properties

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