Answer:
location
topography (quality)
other facilities close by e.g gas station (it is not advisable to live close to a gas station, incase of explosion)
Because they are in group 1 of the periodic table (alkali metals), they all have the same properties. They each are malleable, good conductors of electricity, highly reactive, and have low melting points.
Answer:
The "simple" hurdle that must be overcome to turn seawater into freshwater is to remove the dissolved salt in seawater. That may seem as easy as just boiling some seawater in a pan, capturing the steam and condensing it back into water (distillation).
Answer:
(a) O = Valance Electrons (6), Inner electrons (8)
(b) Sn = Valance Electrons (2), Inner electrons (36)
(c) Ca = Valance Electrons (2), Inner electrons (20)
(d) Fe = Valance Electrons (2), Inner electrons (26)
(e) Se = Valance Electrons (6), Inner electrons (34)
