A substance that is uniform in composition, made up of two or more atoms in the same place, and NOT chemically combined is a . element

homogeneous mixture

compound

heterogeneous mixture

What is avogadro’s number, and why is it useful

What type of electromagnetic radiation has a shorter wavelength than blue light

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.