What does it mean for an element to be reduced?

Is bioluminescence an endothermic process bioluminescence an endothermic process or exothermic process?/?

How would the composition of an atom change both the atomic number and mass number each increase by one

2.2: Describe how and when cleaning agents are used.

During a flame test, a lithium salt produces a characteristic red flame. This red color is produced when electrons in excited lithium atoms?

Alice added sodium chloride to water and stirred the water for several minutes. Alice is most likely trying to demonstrate that ionic compounds are hard. can dissolve. are clear. can melt.

A metal cylinder holds helium gas at the gift shop. When someone orders a balloon, a small amount of helium is transferred from the tank to the balloon.

Cities are measurably hotter than the surrounding suburbs

if two objects at different te, peraure are in contact with each other what happens to their temperature

If the bond enthalpy for a C-C bond is 348 kJ, what will happen when the C-C bond is formed?

How do you find moles