Lithium has the electron arrangement 2,1. When lithium forms an ion,
what will its electron arrangement be? 2,2
2
2,8
2,8,2

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

Do polar molecules have ionic bonds?

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?