Density = mass/volume
D = 40/80 = 0.5g
D= 0.5g
3+
So, compounds of boron contain boron in a positive oxidation state, generally +3. The sum of oxidation numbers of all constituent atoms of a given molecule or ion is equal to zero or the charge of the ion, respectively. ... In most of the stable compounds of boron, its oxidation number is +3
1,000 mL is the same as 10 dL.
EVAPORATION OR THE ANIMALS ARE DRINKING THE WATER BECAUSE IT IS HOT
Electrons are free to move throughout metal substance, shared throughout so electricity and heat are conducted well
