Se dice que antes había más gente porque cada persona tiene dos padres, cuatro abuelos, ocho bisabuelos, etc.
a) Halla un modelo para la cantidad de antepasados
b) ¿Cuántos tenías hace ocho generaciones?

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

Select the atomic models that belong to the same element

The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.