What day and year were x-rays first discovered?

The SI system of measurement utilizes which of the following units: Second to measure time Kilogram to quantify mass Foot as the measurement for length

Match each of the following elements with the corresponding symbol. Responses will not be used more than once.

What is the force needed to move a mobile x-ray unit weighing 300 kg at a rate of 10 m/s2?

After the emission of an alpha particle, the Z of the atom will:

Who became the first known human death from exposure to x-radiation?

In 1898, adverse effects of exposure to x-rays included: Erythema Skin reddening Chromosomal changes

The British system of measurement utilizes which of the following units?

Natural radiation consists of all of the following forms of radiation except: Alpha Gamma X-rays Beta

Match each historical event to the year in which it occurred.  Responses may be used more than once.