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