A.atomic mass(a)=16
atomic mass(b)=18
b.a and b are isotopes
c.(a)=2,6
(b)=2,6
No, the properties of a substance are not affected by the amount of a substance.
The sand provides a rough surface on top of the ice for the cars' tires to grip onto. It provides more friction. Salt melts the ice and often provides more friction (the disadvantage is that it eats concrete!).
<span>whether the particles do not settle for an extended period of time</span>
The required empirical formula of the silicon oxide is SiO2.
