Number of groups in the modern periodic table :
A18
B7
C16
D13
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Related Questions:
At present, _________ elements are known, of which _______ are naturally occurring elements.
കപടസംക്രമണ മൂലകം
Which group of the modern periodic table is NOT mentioned in Mendeleev's periodic table?
Match the items in Column X with those in Column Y.
X | Y |
1.Alkali metals | K. Decreases across a period |
2.Moseley | L. Variable oxidation states |
3.lonization enthalpy | M. Strong oxidizing agent |
4.Transition metals | N. Periodic law based on atomic mass |
5.Chlorine | O. Good reducing agents |
P .Partially filled valence shell | |
Q. Increases across a period | |
R. Periodic law based on atomic number |
ആധുനിക ആവർത്തന പട്ടികയിൽ S ബ്ലോക്ക് മൂലകങ്ങളേയും Pബ്ലോക്ക് മൂലകങ്ങളേയും പൊതുവായി _____ എന്നുപറയുന്നു ?