Radioactivity revision 10e3

What is the atomic number of this isotope?

• 131

• 53

• 184

• 78

What is the mass number of this isotope?

• 131

• 53

• 184

• 78

How many protons does this isotope have?

• 131

• 53

• 184

• 78

How many neutrons does this isotope have?

• 131

• 53

• 184

• 78

What is the name of this isotope?

• Iodine-131

• Iodine-53

• Iodine-184

• Iodine-78

An alpha particle is made up of

• 2 protons and 4 neutrons

• 1 proton and 1 neutron

• 2 protons and 2 neutrons

• 4 protons and 2 neutrons

Which type of nuclear radiation can be stopped by a sheet of paper?

• Alpha

• Beta

• Gamma

If the half life of Uranium-240 was 10 years, how long would it take for it to decay from 310g to 80g?

• 10 years

• 240 years

• 20 years

• 30 years

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

Tags

NGSS.HS-PS1-8

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18