The half reaction of an oxidation-reduction shows that iron gains electrons. What does this electron gain mean or iron?

How does the density of aluminum compare to the density of gold? What does this tell you about the amount of matter within each?

What is the order of a food chain

Roland is measuring a physical property of an object. He records the measurement: 3.12g/cm3 Roland was most likely measuring which of the following: Question 1 options: density mass weight volume

How many moles of Al (CN) 3 are in 251 g of the compound?

5. You are investigating an arson scene and you find a corpse in the rubble, but you suspect that the victim did not die as a result of the fire.

Which of the following is not a source of air pollution related to human activities

Objects and substances in motion is I

If you were to remove an electron from a sodium atom that has eleven protons, what would be the electrical charge of the ion?

The atomic mass of fluorine in 19.0 amu, so the molar mass is?

A rod shaped organism with no nucleus commonly found in Garbage will most likely belong to which kingdom