Question

In the decay sequence,
-ₓ₁ -ₓ₂ -ₓ₃ -ₓ₄
²³⁸₉₂U → ²³⁴₉₀Th → ²³⁴₉₁Pa → ²³⁴Z → ²³⁰₉₀Th
x₁, x₂, x₃ and x₄ are particles /radiation emitted by the respective isotopes. The correct option(s) is(are)
(A) x₃ is ????-ray (B) Z is an isotope of uranium
(C) x₂ is ????⁻ (D) x₁ will deflect towards negatively charged plate

Answer 1

Answer:

Activity:Complete the table showing the salinity of open and land-locked seas.L 529SK47Supply of freshwaterRiver water Snow waterEvaporation of waterRegionLatitudeSolar EnergyEquatorial0° to 15°HighTropical15° to 35°Temperate35° to 650 LowPolar65° to 90°RainfallPerennialSeasonalHighAverage salinity34%37%o33%31%lowampleRiver waterSnow waterAverage salinitySolar EnergyHighlowlow39%41%Landlocked SeaMediterranean SeaRed SeaBaltic SeaDead SeaCaspian SeaGreat Salt lakeLowlowle7%MediumVery lessVery less332%0155%220%medium