The basic difference between Mendeleev’s Periodic Law (A) and Modern Periodic Law (B) is:
1. | A is based on atomic weights while B is based on atomic numbers. |
2. | B is based on atomic weights while A is based on atomic numbers. |
3. | A is based on the number of isotopes while B is based on atomic numbers. |
4. | A is based on physical properties while B is based on chemical properties. |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe formula for the oxide formed by Eka-aluminum is:
1.
2.
3.
4. EO
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe basic theme of the periodic table is:
1. | To classify the elements in a period according to their properties. |
2. | To classify the elements in a group according to their ionization enthalpy. |
3. | To classify the elements in periods and groups according to their properties. |
4. | To classify the elements in periods and groups according to their lustre. |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThose in a group that falls under the law of triads include:
1. Cl, Br, I
2. C, N, O
3. Na, K, Rb
4. H, O, N
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEka aluminium and Eka silicon are now known as:
1. | Ga and Ge | 2. | Al and Si |
3. | Fe and S | 4. | H+ and Si |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn example of metalloid elements in the periodic table is:
1. | Na and K | 2. | Cu and Al |
3. | As and Si | 4. | Ca and Mg |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAll the non-metals in the long form of the periodic table are placed under:
1. s-Block
2. p-Block
3. f-Block
4. d-Block
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe element named after Lawrence Berkeley Laboratory is:
1. Seaborgium
2. Lawrencium
3. Moscovium
4. Hafnium
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology