A molecular structure also shows the bond angle and the Bond length between different atoms in a compound.
Answer:
I dont know the first blank but I know the second one is groups and the last one is periods.
Answer is: mass <span>of 4,30 moles of sodium</span> is 98800 mg.
n(Na) = 4,30 mol.
m(Na) = ?
m(Na) = n(Na) · M(Na).
m(Na) = 4,30 mol · 23 g/mol.
m(Na) = 98,90 g.
m(Na) = 98,90 g · 1000 mg/1g.
m(Na) = 98900 mg.
n - amount of substance.
m - mass of substance.
M - molar mass of substance.
When cohesive force is stronger than the adhesive force: concave up meniscus, water forms droplets on surface
