Evaporation 5paper towel 5cm
Sticky tape
Water oil glycerine
Nail Polish remover
Methylated spirit

Method
1write the name of each liquid on strip of paper towel.
2.Dip the paper towel into each of liquid.
3.Attach the pieces of paper to the beakers with sticky tape

What the aim of this?​

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.