Question

Write T for True and F for False.
1. The valency of an element is the same as its atomicity,
2. Valencies help in deriving a chemical symbol
3. Modern periodic table has 18 horizontal rows and 7 vertical columns
4. The formula for sulphuric acid is H,SO3.
5. In a periodic table, the elements with similar chemical properties appear in vertical columns ​

Answer 1

Answer:

1- False

2-false

3-true

4-false

5-true

Answer 2

Answer:

Good morning mate ✌✌

1. False
2. False
3. True
4. False
5. True

Please mark my answer as brainlist