How many atoms are in .230 g of boron

What semimetal can form four single covalent bonds.

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas