Hamad Periodic Classification 29/06/2021 A. Group II-A B. Group IV-A C. Group VII-A D. Group VI-A Related Mcqs: The atoms of same element having same atomic number but different mass number are called____________________?A. Isobars B. Isomers C. Isotopes D. Isotropes... Shielding effect across the period_________________?A. Increases B. Decreases C. Can not be predicted D. Remains constant... Noble gases are named so because they are__________________?A. less reactive B. Zero group elements C. Having completely filled valence shell D. All... The longest period in the modern periodic table is___________________?A. 6th B. 7th C. 2nd and 3rd both D. 5th... Keeping in view the size of atom which order is correct one ?A. Mg > Sr B. Ba > Mg C. Lu > Ce D. C1 > I...
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