Pleaseee answer these thank you complete and balance the following equations:

a) BaO + P4O10 =

b) SrO + SO3 =​

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.

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.