Fill In the blanks :
1. In the periodic table vertical columns are called ...................
2. …………………………….gave Octave rule.
3. …………………………….gave Triad rule.
4. …………………………….gave Modern periodic table.
5. ……………………………. Is criteria of mendeleev to prepare his periodic table
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1)groups
it is the ans
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Hello dear...
Here are your answers....
1. Groups
2. John Newlands
3. Dobereiner
4. Neils Bohr
5. Increasing order of atomic masses and similar physical and chemical properties.
Hope helped.....
Plz mark as brainliest...
Be Brainly....
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Here are your answers....
1. Groups
2. John Newlands
3. Dobereiner
4. Neils Bohr
5. Increasing order of atomic masses and similar physical and chemical properties.
Hope helped.....
Plz mark as brainliest...
Be Brainly....
✌️✌️
SrashtiRathore:
tnx
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