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Periodic trends I: atomic and ionic radius — Homework
State which trend (group or period) applies before giving each answer.
- 1.Which is larger, a potassium atom or a sodium atom (same group)?
- 2.Which is larger, a phosphorus atom or a chlorine atom (same period)?
- 3.Is a magnesium ion (Mg2+) larger or smaller than a neutral magnesium atom? Why?
- 4.Is an oxide ion (O2-) larger or smaller than a neutral oxygen atom? Why?
- 5.Rank these four in order from smallest to largest atomic radius, and explain your reasoning: chlorine, sodium, fluorine, potassium.
🌲 Homeschool of the FutureTenth Grade · Science · week 11 homework