Which statement best describes the nucleus of an aluminum atom?
(1) it has a charge of +13 and is surrounded by a total of 10 electrons.
(2) it has a charge of +13 and is surrounded by a total of 13 electrons.
(3) it has a charge of –13 and is surrounded by a total of 10 electrons.
(4) it has a charge of –13 and is surrounded by a total of 13 electrons.

Someone, part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow