Pyrite is a mineral which is made from iron and sulfur atoms. Choose all of the statements which are correct. A. The smallest unit of pyrite is a sulfur or iron atom.

B. The smallest unit of pyrite is a molecule containing iron and sulfur.

C. All of the above

D. The element called sulfur is made of sulfur atoms.

(Be quick and pick more than one answer)

Name the element in group 17, period 2. (periodic table)

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.