Which answer choice contains 3 valid element symbols? S, N, CU
S, N, Cu
S, Nit, Cu
Pure substances that cannot be broken apart by a chemical reaction are ca

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

Convert .347 kilometers to miles show your work