En una molécula de cualquier sustancia existe es : * a) la unión de iones
b) la unión de átomos
c) la unión de electrones
d) la unión de protones
AYUD

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Fossil fuels are organic compounds that are made from