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Chemistry Practice

Atomic Structure MCQs (STB)

120Questions

Topic practice

Atomic Structure MCQs (STB)

Topic: Atomic Structure MCQs (STB)

Showing 51–55 of 120 MCQs

Atomic Structure STB Atomic Structure MCQs (STB)#Atomic Structure #Atomic Theory

51

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Who proposed the first scientific atomic theory in 1803?

Atomic Structure STB Atomic Structure MCQs (STB)#Atomic Structure #X-Rays

52

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Which conditions are required to produce X-rays in a discharge tube?

Atomic Structure STB Atomic Structure MCQs (STB)#Atomic Structure #Photon Energy

53

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In ΔE = E₂ − E₁ = hν, what does ν represent?

Atomic Structure STB Atomic Structure MCQs (STB)#Atomic Orbitals #Atomic Structure

54

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What is the shape of an s orbital?

Atomic Structure STB Atomic Structure MCQs (STB)#Discovery of Radioactivity #Radioactivity

55

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Who discovered natural radioactivity in 1896?