MCQ
Isotopes have same____but different____.
- AAtomic number, mass number.
- BMass number, atomic number.
- CNumber of neutrons, atomic number.
- DNone of these.
Explanation:
Isotopes of an element have same atomic number and different mass numbers.
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[Given $pK _{ a }$ of $CH _{3} COOH =4.57$ ]
$3p_x, 2s, 4d_{xy}, 3s, 4p_z, 3p_y, 4s$
