Chemistry 11 Chapter 5 Atomic Structure Test 8

Chemistry 11 Chapter 5
Atomic Structure
Test 8

1. Neutron ____ ionize gases?

a) Can
b) None of these
c) Never
d) Cannot

2. Neutrons can expel high speed protons from?

a) Paraffin
b) Paper
c) Water
d) All of these

3. The neutron was discovered in______?

a) 1931
b) 1930
c) 1932
d) 1933

4. The name ”Proton ” is suggested by?

a) E. Goldstein
b) Rutherford
c) Stoney
d) J.J Thomson

5. Heavier the gas_____ e/m value?

a) Larger
b) Greater
c) None of these
d) Smaller

6. The mass of proton is ______ times more than that of electron?

a) 1835
b) 1837
c) 1839
d) 1836

7. James Chadwick was awarded by Nobel prize in_____?

a) 1933
b) 1932
c) 1934
d) 1935

8. When _______ is used in discharge tube thee/m values is found to be_____?

a) owest
b) Minimum
c) Maximum
d) None of these

9. Free neutrons decays into?

a) All of these
b) Proton
c) Neutrino
d) Electron

10. The neutrons have ______ charge?a) Neutral
b) Negative
c) None of these
d) Positive

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