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Electronic configuration..



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Q1. The fourth period ends with the element ________

(a) Helium
(b) Argon
(c) Neon
(d) Krypton

Q2. . Write the correct electronic configuration of Neon.

(a) 1s22s22p6
(b) 1s22s2
(c) 1s22p6
(d) 2s22p6

Q3. The Lanthanoid series is the same as the Actinoid series.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q4. Which block elements are known as inner transition elements?

(a) s-block
(b) p-block
(c) d-block
(d) f-block

Q5. 3d transition series starts from _________ and ends with __________

(a) Zinc, Scandium
(b) Scandium, Zinc
(c) Vanadium, Nickel
(d) Argon, Zinc

Q6. What are the d-block elements called?

(a) Inner transition elements
(b) Alkali earth metals
(c) Transition elements
(d) Noble gases

Q7. The location of any element in the periodic table is determined by the __________ of the filled last orbital.

(a) Spin quantum number
(b) Quantum numbers
(c) Azimuthal quantum number
(d) Magnetic quantum number

Q8. The electrons? distribution into the atomic orbitals is called as _________

(a) Electronic order
(b) Electronic distribution
(c) Electronic filing
(d) Electronic configuration

Q9. What does the conductivity of metals depend upon?

(a) The nature of the material
(b) Number of free electrons
(c) Resistance of the metal
(d) Number of electrons


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E/m Ratio Was Determined By

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E/m Ratio Was Determined By

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Magnitude Of K.E. In An Orbit Is Caused By

Modified 242 Year Ago

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Magnitude Of K.E. In An Orbit Is Caused By

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The Minimum Real Charge On Any Particle Which Can Exist Is

Modified 242 Year Ago

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The Minimum Real Charge On Any Particle Which Can Exist Is

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Assertion : Cathode Rays Are A Stream Of α -particles. Reason : They Are Generated Under High Pressure And High Voltage.

Modified 242 Year Ago

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Assertion : Cathode Rays Are A Stream Of α -particles. Reason : They Are Generated Under High Pressure And High Voltage.

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The Average Distance Of An Electron In An Atom From Its Nucleus Is Of The Order Of

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The Average Distance Of An Electron In An Atom From Its Nucleus Is Of The Order Of

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Proton Was Discovered By

Modified 242 Year Ago Sangeeta

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242 Year Ago

Proton Was Discovered By

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From The Following Masses, The One Which Is Expressed Nearest To The Milligram Is

Modified 242 Year Ago

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