1. Which should be larger—the potassium ion, + , or the potassium atom, K? Which should be larger—the potassium ion, K + , or the argon atom, Ar? Explain. 2. Which should be more difficult to pull...

1. Which should be larger—the potassium ion,

⁺, or the potassium atom, K? Which should be larger—the potassium ion, K⁺, or the argon atom, Ar? Explain.

2. Which should be more difficult to pull apart—a sodium ion from a chloride ion or a potassium ion from a chloride ion? Explain.