Podcast
Questions and Answers
Which element of group 1 is known for its reactivity with water?
Which element of group 1 is known for its reactivity with water?
What is the atomic number of the element found in the 3rd period and group 2 of the periodic table?
What is the atomic number of the element found in the 3rd period and group 2 of the periodic table?
Which subatomic particle is responsible for the identity of an element?
Which subatomic particle is responsible for the identity of an element?
Study Notes
Periodic Table and Elements
- Alkali metals in Group 1 are known for their high reactivity with water, with the most reactive being Caesium.
- The element in the 3rd period and group 2 of the periodic table is Magnesium, which has an atomic number of 12.
- The atomic number of an element is determined by the number of protons in the nucleus, which is responsible for the identity of an element.
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Description
Test your knowledge of the Structure of Atom and Group 1 & 2 elements in Chemistry Class 11 with this quiz. Identify the reactive element in Group 1, determine the atomic number of the Group 2 element in the 3rd period, and learn about the subatomic particle responsible for an element's identity.
