In Period 2 of the Periodic Table, which Group contains the element with the hig

Question

In Period 2 of the Periodic Table, which Group contains the element with the highest first ionization energy? A) alkali metals B) alkaline earth metals C) halogens D) noble gases Compared to the energy and charge of the electrons in the first shell of a Be atom, the electrons in the second shell of this atom have A) less energy and the same charge B) less energy and a different charge C) more energy and the same charge D) more energy and a different charge A sample of matter must be copper if A) each atom in the sample has 29 protons B) atoms in the sample react with oxygen C) the sample melts at 1768 K D) the sample can conduct electricity Which property is characteristic of nonmetals? A) They have a high electronegativity. B) They lose electrons easily. C) They have a low first ionization energy. D) They are good conductors of electricity. Which atom has the weakest attraction for the electrons in a bond with an H atom? A) Cl atom B) F atom C) O atom D) atom Which atom has the largest atomic radius?

Explanation / Answer

Solution 48.

In period 2 of Periodic Table Noble gases contains the element with highest first ionisation potential.In this, group the ionisation potential decreases down the group for noble gases.The trend of ionisation energy across the table is that it increases across the table in period 2.

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