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
Answers
Answered by
7
Answer:
1- False
2-false
3-true
4-false
5-true
Answered by
7
Answer:
Good morning mate ✌✌
- False
- False
- True
- False
- True
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