True False[1 Marks ]

Question 11 Mark

In inner-transition elements last two shells are incomplete.

Answer

false

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Question 21 Mark

In period oxidizing property increases.

Answer

true

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Question 31 Mark

F and Na⁺ are isoelectronic.

Answer

false

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Question 41 Mark

The basic properties of hydroxide increases in group.

Answer

true

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Question 51 Mark

In periodic table, electron gain enthalpy of chlorine have minimum negative value.

Answer

false

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Question 61 Mark

Electronegativity of any element is measure of its non-metallic property.

Answer

true

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Question 71 Mark

In periodic table ionization enthalpy of He is minimum.

Answer

false

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Question 81 Mark

van der Waals' radii is always more than ionic radii.

Answer

true

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Question 91 Mark

In periodic table non-metals are present on right side.

Answer

true

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Question 101 Mark

d-block elements are known as inner-transition elements.

Answer

false

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Chemistry True False[1 Marks ]

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