Isotopes & Radioactivity

Front

Isotopes have different ____________

Back

All of these

Front

Isotopes have the same ____________

Back

Number of electrons

Front

What defines the element? Options: The number of protons, The number of neutrons, The mass number, The symbol

Back

The number of protons

Front

Which type of radiation can be stopped by a sheet of paper? Options: Alpha, Beta, Gamma, All three

Back

Alpha

Front

Which type of radiation can be stopped by aluminum foil?

Back

Beta

Front

Which type of radiation has a positively charged particle?

Back

Alpha

Front

Which type of radiation can be released during radioactive decay?

Back

All three

Front

Which type of radiation can be partially blocked by feet of lead or concrete?

Back

Gamma

Front

What element does X represent? Options: Mg, Si, Fe, Sr

Back

Mg

Front

Which particle does this symbol represent?

Back

a positron