Which classification is the most specific for the element uranium
a . actinide-series element
b . transition metal
c . inner transition metal
d . lanthanides-series element

Iknow #2 is d. i just need to know why

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

Which of the following units is not an official si unit? mole liter kilogram ampere