Question

Please answer the questions in the following images:-

Answer 1

Q1.(ii)-> Hydrogen, (iii). anode rays (proton) , (iv) neutron,( v) Ionic bond, (vi) anion ,. Q2 (ii). mass of an atom concentrated in nucelus because all proton and neutron are present in nucelus and mass of proton= mass of neutron but electron mass is 1/2000 mass of proton so approx whole mass considered in nucleus. (iii) argon can't reat because it neutral atom present in zero group it's valency is complete. (iv) c-12, c-14 are isotopes of carbon so both have similar chemical properties. Q4.(i) properties of cathod Ray. (ii). a. element have same atomic no. but different mass no. (b). 1H1,1H2,1H3,.(c) use Cobalt 60 in radiation therapy in cancer .Q5.=. 19-->ii 15--->iii, 10---> I

Answer 2

Answer:

1 gold

2 hydrogen

3 anode rays

4 neutron

5 cation

6 anion

Explanation:

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