Chemistry 9th Class English Medium Online Test With Answers

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Chemistry 9th Class English Medium Online Test

Sr. # Questions Answers Choice
1 Number of electrons that an be accomodated in f - subshell 6 10 2 14
2 How many electons can be accommodated in S subshell? 2 6 14 10
3 The nucleus of an atom is composed of Electrons Electons and protons Protons and neutrons Electrons and neutrons
4 Proton are feflected toward plate. Positive Negative Both a and b None of these
5 Quantum means. Virable energy Fixed energy High energy Minimum energy
6 According to Rutherford's atomic theory, atom should produce. Line spectrum Continuous spectrum Both a and b None of these
7 Who performed fist experiment to split atom Bohr Newton Rutherford Soddy
8 Rutherford used a gold foil in his experiment, which had a tickness of 0,0002 cm 0,0001 cm 0.001 cm 0.00004cm
9 John Dalton put forward his atomic theory. 1800 1803 1805 1903
10 A sub sheel that cna accommodate 6 electrons is b s f p
11 M shell has sub sheels. 1s , 2s 1s,2s,3s 2s,2p 3s,3p,3d
12 How doe electrons keep themselves away from the oppositely charged nucleus. A agnetic field around the nucleus keeps them away By keeping themselves stationary By revolving around the nucleus Due to their wave like nature
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