Structure of Atom — Important Questions
Telangana Board · Class 10 · Physical Sciences
45 important questions from Structure of Atom for Telangana Board Class 10 Physical Sciences, with answers. Written for the board exams 2027.
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Important Questions from Structure of Atom
Which of the following are characteristics of electromagnetic waves?
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They have wavelength, They have frequency, They travel at the speed of light, Electric and magnetic fields are perpendicular
Electromagnetic waves are characterized by wavelength, frequency, travel at light speed, and have perpendicular electric and magnetic fields. They don't need a medium to travel (unlike sound waves).
What is the electronic configuration of carbon (Z=6)?
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1s²2s²2p²
Carbon has 6 electrons. Following the Aufbau principle: 2 electrons fill 1s, 2 electrons fill 2s, and remaining 2 electrons go to 2p orbital, giving 1s²2s²2p².
According to Bohr's model, electrons exist in:
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Stationary orbits of fixed energy
Bohr proposed that electrons exist in stationary orbits with fixed energy levels. Electrons can jump between these levels by absorbing or emitting specific amounts of energy.
What shape do s-orbitals have?
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Spherical
s-orbitals are spherical in shape. This spherical shape means electrons in s-orbitals are distributed equally in all directions around the nucleus.
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