The element named after Lawrence Berkeley Laboratory is: 
1. Seaborgium
2. Lawrencium
3. Moscovium
4. Hafnium

Subtopic:  Modern Periodic Table & Periodicity |
 89%
Level 1: 80%+
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Which group contains elements that exist as a non-metal, liquid, and gas at room temperature?

1. 15 2. 14
3. 18 4. 17
Subtopic:  Modern Periodic Table & Periodicity |
 62%
Level 2: 60%+
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Incorrect statement among the following is:

1. The p-block has 6 columns because a maximum of 6 electrons can occupy all the orbitals in a p-shell.
2. The d-block has 8 columns because a maximum of 8 electrons can occupy all the orbitals in a d-subshell.
3. Each block contains a number of columns equal to the number of electrons that can occupy that subshell.
4. The s- block contains mainly reactive metals.

Subtopic:  Modern Periodic Table & Periodicity |
 83%
Level 1: 80%+
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