If you start with 100 grams of hydrogen-3, how many grams will you have after 24.6 years?

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.