An atom's Lewis dot structure has three dots. Which of the following elements could it be, and why? (4 points) Group of answer choices

Aluminum, because it is in group 13 and has three valence electrons.

Lithium, because it is a group 1 element with three total electrons.

Magnesium, because it is in period 3 and has three valence electrons.

Potassium, because it is an alkali metal and has three inner shell electrons.

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

How do you interpret a chromagram for what mixtures contain?