TEXTBOOK EXERCISES
I. Choose the correct answer.
1. If Dobereiner is related with 'law of triads,
then Newlands is related with
a) Modern periodic law b) Hund's rule
c) Law of octaves
d) Paulis Exclusion principle
2. Modern periodic law states that the physical
and chemical properties of elements are the
periodic functions of their
a) atomic numbers ) atomic masses
c) similarities d) anomalies
3. Elements in the modern periodic table are
arranged in groups and periods.
a) 7,18 b) 18,7 c) 17,8 d) 8,17
2. Metals ca
3. Alloys !
metals a
4. Lanthar
the bot
they re
resem
5. Group
V. Asse
Statemer
possess
period
Answers
Answered by
5
Answer:
1-c 2-a 3-a
Step-by-step explanation:
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