Nickel-63 has a half-life of 92 years. how much nickel would remain in a sample that started with 20 grams of nickel-63 at the end of 184 years?

Which element has the lowest electronegativity? Calcium (Ca) Gallium (Ga) Selenium (Se) Bromine (Br)

The phase of matter where particles at extremely high temperatures become ionized.

Volume of a cone is 200.96 what is the height of the cone

Why can't polyatomic ions ever stand alone?

What is turgor pressure

Reactions cannot occur without a certain minimum amount of energy. what is this minimum amount of energy called?

What are the products of the alpha decay of Iodine-131?

Which lewis electron-dot diagram represents a nitrogen atom in the ground state

What would a 1:1 liquid binary mixture of Cyclohexane and Toluene look like? How would the molecules associate with one another?

A sample of argon gas is at a pressure of 1.725x10^4 kPa and a temperature of 24°C in a rigid 20 L tank. How many moles of argon does this tank contain? (show your work)