Determinar el valor positivo de “m” para que la ecuación: x(x+2)=4mx−8 ; tenga una raíz que sea el doble de la otra.

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b. zinc7.14,c. copper 8.92,d. lead 11.34

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

What are the similarities of physical and chemical change ?