3. Which statement below correctly describes the responses of alpha, beta, and g

Question

3. Which statement below correctly describes the responses of alpha, beta, and gamma radiation to an electric field? A) Both beta and gamma are deflected in the same direction, while alpha shows no response. B) Both alpha and gamma are deflected in the same direction, while beta shows no response. C) Both alpha and beta are deflected in the same direction, while gamma shows no response. D) Alpha and beta are deflected in opposite directions, while gamma shows no response. E) Only alpha is deflected, while beta and gamma show no response. 4. Which atom has the largest number of neutrons? A) phosphorus-30 B) chlorine-37 C) potassium-39 D) argon-40 E) calcium-40 197Au, has 5. An atom of the most common isotope of gold, neutrons, and protons electrons A) 197, 79, 118 B) 118, 79, 39 C) 79, 197, 197 D) 79, 118, 118 E) 79, 118, 79 6. Which pair of atoms constitutes a pair of isotopes of the same element? 14x 14x 14x 12x

Explanation / Answer

3)

D) alpha and beta are deflected in opposite directions while gamma shows no response.

alpha particle is positively charged particle

beta particle is negatively charged particle

So, alpha and beeta paricles are deflected in opposite direction

gamma rays are electromagnetic waves having no charge, so, they have no response under electric field

4)

D) Argon - 40

No of neutrons = mass No - Atomic no

No of neutrons = 40 - 18 = 22 neutrons

5)

E) 79, 118,79

6)

B) 146X, 126X

elements with same atomic no with different mass no are called isotopes

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