Explain how you can use a spectroscope to identify the components of solutions containing several different metal ions.

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

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