Question

a metalloid in period 2 and 3

Answer 1

metalloid in period 2 and 3 are boron and

silicon

Answer 2

The metalloid present in periods 2 and 3 are Boron and Silicon respectively.

Explanation:

• The element which has the property of both metals and non-metals, they are called metalloids.
• In the periodic table, metalloids are placed between the metals and non-metals in such a way that, metals are located right to the metalloids and non-metals are located left to the metalloids.
• There are 8 metalloids in the periodic table namely Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, Polonium and Tennessine.
• Among the 8, Boron is present in group 2, whereas silicon is present in group 3.

Learn more about metalloids

Difference between metalloids and alloys

https://brainly.in/question/1703370

What are metalloids? give two examples.

https://brainly.in/question/905898