Question

III. EVALUATION:
(10 MINUTES)
1. List out the two limitations of Dalton's atomic theory.
2. The charge of cathode rays is ------
3. Do the properties of anode rays depend upon the nature of the gas taken inside the
discharge tube?
4. Mass of proton (P)
5. The valency of calcium in CaCl, is --------
6. Classify the following as monovalent, divalent and trivalent.
Ni2+, Fe, Cu²+, Fe2+, Crt, Lit
7. The mass of neutron is equal to the mass of
8. Name the circular path in which the electrons are revolving around the nucleus?
9. What is the valency of Oxygen in the water molecule?
10. Who discovered the positively charged particles?​

Answer 1

Answer:

and 1

the size of particle is large

ans2

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ans3 no

ans4 e=p

ans5 -1

ans6 mono Fe,CRT,lit / divalent ni2+,cu2+,fe2////.

ans7 electron

ans8 orbit

ans 9 2+

wns10 Neil bohar

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