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Science TNSB Mentoring
Class 10
Periodic classification of elements
The modern periodic law
3.
Modern periodic table
Question:
4
m.
Spot the error and choose the correct statements:
1.
The vertical columns in the periodic table start from top to bottom, are called periods.
The vertical columns in the periodic table start from top to bottom, are called lines.
The vertical cells in the periodic toble start from top to bottom, are called groups.
The straight columns in the periodic table start form top to bottom, era called groups.
The vertical columns in the periodic table start from top to bottom, are called groups.
2.
The radius of a separated ions is not possible to measure directly.
The radies of a separated atom is not possible to measure directly.
The radius of a separated atom is not possible to measure directly.
The radius of a separated molecule is not possible to measure directly.
The rodius of a separated atom is not possible to measure directly.
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