What determines the reactivity of an element?

The number of protons in the nucleus

The number of electrons in the outer energy level

The number of electrons in the innermost energy level

The number of neutrons in the nucleus

When are reactions always spontaneous?

How many moles of gas sample are 5.0 L container at 373K and 203kPa

The density of mercury is 13.6 g/cm3. Therefore, the specific gravity of mercury is 13.6. true or false

What is the theory that can explain the model of Pangaea?

Liquids have a definite volume when poured into a container. What does this mean? The mass of a liquid changes when it is poured into a new container. The volume of a liquid does not change when it is poured into a new container.

The net gain of atp per molecule of glucose fermented is

What is the name of this compound? CH3-CH2-CH2-CH2-O-C6H5 butylphenyl ether cyclohexylbutyl ether phenylbutyl ether butylcyclohexyl ether

Is the following equation balanced? 2Na + 2H2O = 2NaOH + H2 Yes No

What is the difference between a molecule and a formula unit

Sound is not part of a electromagnetic spectrum because A: Sound is not a type of energy wave B: Sound is not a type of electromagnetic radiation C: Sound does not have a wavelength D: Sound does not have a frequency