Identify what are the charges on ions of group 1a,
group 3a (aluminum), and group 5a?

Group 1A generally has a charge of 1+, meaning they usually lose one electron.

Group 3A generally has a charge of 3+, meaning they lose three electrons.

And Groups 5A generally has a charge of 3-, meaning they usually GAIN three electrons.

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.