The variable n represents

the fraction of nuclei left after one half-life

the amount of time it takes half of the

radioactive atoms to decay.

the number of half-life cycles

C. the number of half-life cycles

Distinguish air mass and a front

How many electrons would hydrogen required to fill up that first shell?

Why is blood considered to be a suspension?

What is the density of hydrogen sulfide at 1.1 atm and 304K?

Which of the following statements describes ideal gas according to the kinetic-molecular theory of gases?

Which is the correct formula for phosphorus pentachloride? PCl4 because a subscript of 4 indicates four Cl atoms PCl5 because a subscript of 5 indicates five Cl atoms P5Cl because a subscript of 5 indicates five P atoms P5Cl3 because a subscript of

Why are the elements in groups 3 to 12 often used to make dyes?

What is not needed for corrosion of metals? a. oxygen c. water b. ions d. sunlight

What force can move the oceans

How many moles of NO3 are there in 6.2g