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IMPORTANT
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If a non-metal is added to the interstitial sites of a metal, then the metal becomes

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Important Questions on The d- and f-block Elements

EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 43
The atomic number (Z) of an element is 25. In its ground state, how many electrons are present in the "N" shell?
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 44
Which are the constituents of gun metal?
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 45
Which of these ions is expected to be coloured in aqueous solution?
I. Fe3+                  II.Ni2+          III. Al3+
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 46
Which of the following metals is sometimes found in its native state in nature?
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 47
Which of the following has the maximum number of unpaired d-electrons?
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 48
The most common lanthanide is
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 49
Total number of inner transition elements in the periodic table is
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 50
The electronic configuration of gadolinium (Atomic Number is 64) is