Write the proper charges so that an alkali metal, a noble gas and a halogen have the same electron configurations. What is the # of protons in each? # of electrons in each? How many filled energy levels do each have? Arrange them from smallest to largest IE & explain. Arrange from smallest to largest radii and explain.

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Jonas

Chemistry

31 December, 10:59

Write the proper charges so that an alkali metal, a noble gas and a halogen have the same electron configurations. What is the # of protons in each? # of electrons in each? How many filled energy levels do each have? Arrange them from smallest to largest IE & explain. Arrange from smallest to largest radii and explain.

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Sasha Kerr · Answer 1

Let's use Ne as our base, since noble gasses can't become ions. It has 10 protons and 10 electrons.

you make a halogen ion and an alkali metal ion so that they both have 10 electrons.

For ionic radius, anions (negatively charged) have large radii and cations (positively charged) have small radii.