Q1 of 60 Page 1

List any two properties of the elements belonging to the first group of the modem periodic table.

The two properties of the elements belonging to the first group of the modern periodic table are as follows:


1. They have one valence electron in their atoms.


2. They have same valency i.e. 1.


More from this chapter

All 60 →
2

What is gene?

 3

Give one example each from your daily life where the domestic waste can be effectively reused and recycled.

 4

What is the main difference between sperms and eggs of humans? Write the importance of this different.

 5

List two possible ways in which a concave mirror can produce a magnified image of an object placed in front of it. State the difference, if any, between these two images.