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Halogens contains ______.
Which of the following is the lightest gas?
Which is the densest gas?
In tthe periodic table, the valence shell electronic configuration of 5s²5p4 corresponds to the element present in:
The electronic configuration of halogen is
The group number and period number respectively of an element with atomic number 8 is.
Which is not an alkali metal
Valency of Noble gases is:
The outermost shell electronic configuration of an element  4s2 4p3 .To which period of the periodic table does this element belong to?
An atom has a mass number of 37 and atomic number 17. How many protons does it have?
The metals having the largest atomic radii in the Periodic Table
The international year of periodic table was celebrated in ——————— year.
Which element in the Periodic Table has the highest atomic number and highest atomic mass of all known elements?
How many chemical elements are there on the first row of the periodic table?
Sodium belongs to which element group?
When we move from right to left across the periodic table:
When it comes to electron negativity, which of the following statements can be applied to halogens?
When we move from the bottom to the top of the periodic table:
What is the first element on the periodic table?
What is the name of the Vertical columns of elements on the periodic table?
In periodic table group 17 represent
Which of the following is not a metalloid?
In modern periodic table Group number 13 is named as ?
Modern periodic table was prepared by
Number of elements present in group 18 is?
The unknown element named as ‘eka-aluminium' by Mendeleev, was named as --- in the modern periodic table?
How many elements were present in Mendeleev’s periodic table?
Total how many elements are present in modern periodic table?
Lanthanides belong to which block?
Elements from atomic number 37 to 54 belong to which period?
Modern periodic table was discovered by?
Noble gases belong to which of the following groups of the periodic table?
An element X belongs to the 3rd period and 1st group of the periodic table. What is the number of valence electrons in its atom?
Which group elements are called transition metals?
The most reactive element in group 17 is :
The electronic configuration of an element M is 2, 8, 2. In modern periodic table, the element M is placed in
The total number of lanthanide elements is
Which of the following among alkali metals is most reactive?
What happens to the electropositive character of elements on moving from left to right in a periodic table?
Which of the following forms the basis of the modern periodic table?
Electron affinity of noble gases is
How many periods and groups are present in the periodic table?
ആവർത്തനപ്പട്ടികയിൽ ഏത് ഗ്രൂപ്പിലാണ് എല്ലാ ജൈവ സംയുക്തങ്ങളുടെയും അവശ്യ ഘടകമായ ഒരു മൂലകമുള്ളത് ?
സംക്രമണ മൂലകങ്ങളുടെ ആദ്യത്തെ വരിയിൽ, ഇലക്ട്രോൺ ആദ്യം നിറയുന്നത് എത് ഓർബിറ്റലിൽ ?
പതിനാറാമത്തെ ഗ്രൂപ്പിൽ ഏറ്റവും ക്രിയാശീലത കൂടിയ മൂലകം ?
മെൻഡലിയേഫിന്റെ ആവർത്തന പട്ടികയിൽ മൂലകങ്ങൾ ക്രമീകരിച്ചിരിക്കുന്നത് ?
The first Trans Uranic element :
കപടസംക്രമണ മൂലകത്തിന് ഉദാഹരണമാണ് :
ഭൂവൽക്കത്തിൽ ഏറ്റവും കൂടുതൽ കാണുന്ന ഉപലോഹം ഏതാണ് ?
The elements of group 17 in the periodic table are collectively known as ?