Which nuclide is paired with a specific use of that nuclide?

(1) carbon-14, treatment of cancer

(2) cobalt-60, dating of rock formations

(3) iodine-131, treatment of thyroid disorders

(4) uranium-238, dating of once-living organisms

How many grams are there in 5.00 moles of lead

Three isotopes of oxygen are oxygen-16 oxygen-17 and oxygen-18. Write the symbol for each, including the atomic number and mass number

Which consequence of global warming is described as having an increase in growing season changes in migration and loss of species

Which one (s) below right about valence electrons? A They are all electrons of an atom B The number of valence electrons in the atoms of an element determines that element's chemical properties C They are at the outermost shell of the atom.

Which of the following is true about a scientific hypothesis? A. The hypothesis must form a scientific theory. B. The hypothesis must be testable. C. The hypothesis must predict the outcome of the experiment. D.

When was Magnesium discovered and how or who discovered it

Consider these statements regarding the body's inability to convert fat to carbohydrates. Select each statement that is true. 1. Acetoacetate is a normal, major energy source for the brain, heart muscle, and renal cortex. 2.

Which is the best term to use describing the energy of position

Regalo puntos : v vengan a mi prros

Write a net ionic equation for the overall reaction that occurs when aqueous solutions of phosphoric acid (h3po4) and potassium hydroxide are combined. assume excess base. use the pull-down boxes to specify states such as (aq) or (s).