the mass of cobalt-60 in a sample is found to have decreased from 80 grams to 30 grams in a period of 10.5 years. Calculate the half-life for cobalt-60

What is the formula that this ionic compounds could form sr2+p3-o2-

What are the variables in gay-lussac’s law? pressure and volume pressure, temperature, and volume pressure and temperature volume, temperature, and moles of gas

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n