Q201
Open questionThe horizontal rows and the vertical columns in the periodic table are termed as respectively?
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Chemistry GK · all questionsPeriodic Classification of elements
Periodic Classification of elements
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Q202
Open questionMendeleev's periodic law states that the properties of elements are the periodic function of their . . . . . . . .
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Q203
Open questionIn the modern periodic table, zigzag lines . . . . . . . . separates
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Q204
Open questionElements present in the third period have . . . . . . . . orbitals.
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Q205
Open questionThe first and second group of modern periodic table are called?
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Q206
Open questionName the chemist who proved that the atomic number of an element is a more fundamental property than its atomic mass, which led to modification in the Mendeleev's Periodic Law table?
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Q207
Open questionThe 2nd and 3rd period has?
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Q208
Open questionIn Mendeleev's periodic table, the horizontal rows is called . . . . . . . . .?
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Q209
Open questionNon-metals like sulphur and chlorine are found in the periodic table.
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Q210
Open questionAn element is placed in a periods with electronic configuration of 2, 8, 8, 2. In modern periodic table it is periods . . . . . . . .
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Q211
Open questionWhich one of the following represents the correct order of electron releasing tendency of metals?
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Q212
Open questionWhich of the following properties increases with an increase in atomic number in the first and seventh groups of the modern periodic table?
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Q213
Open questionFind the wrong match pair/pairs from the following:
1. Copper - Cu
2. Gold - Au
3. Mercury - Mg
4. Platinum - Pt
5. silver - Ag
1. Copper - Cu
2. Gold - Au
3. Mercury - Mg
4. Platinum - Pt
5. silver - Ag
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Q214
Open questionAtomic size when going from sodium to chlorine . . . . . . . .?
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Q215
Open questionWhich of the following options has the highest melting point and boiling point?
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Q216
Open questionConsider the following statements,
1. In Mendeleef's periodic table, position of the isotopes was not fixed.
2. In the 19th century, Mendeleef propounded periodic law is based on atomic mass.
Which of the above statement(s) is/are correct?
1. In Mendeleef's periodic table, position of the isotopes was not fixed.
2. In the 19th century, Mendeleef propounded periodic law is based on atomic mass.
Which of the above statement(s) is/are correct?
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Q217
Open questionWhich of the following statements is incorrect?
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Q218
Open questionSeventh period:
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Q219
Open questionWhich of the following properties is inversely related to electronegativity?
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Q220
Open questionWhich of the following is the correct pair according to the increase in atomic number when moving from left to right?
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