Radioactive Decay

What is the term for a person who attaches the feathers to an arrow?

• a tinker

• a bowyer

• a fletcher

• a smelter

The process of an atom releasing particles from its nucleus, hence changing into another type of atom with a different number of protons, is called:

• radioactive decay

• tooth decay

• radioactive paste

• tooth paste

Alpha decay is the loss from the nucleus of an atom of:

• a hydrogen ₁¹H nucleus

• a helium ₂⁴He nucleus

• an electron

• a proton

Beta decay is the loss from the nucleus of an atom of:

• a hydrogen ₁¹H nucleus

• a helium ₂⁴He nucleus

• an electron

• a proton

Breaking of a nucleus into two large fragments, with each fragment becoming a different type of atom is called:

• nuclear fiction

• nuclear function

• nuclear fission

• nuclear fusion

Both alpha decay and beta decay are accompanied by the emission of high energy radiation called

• gamma radiation

• delta radiation

• epsilon radiation

• omega radiation

Which of the following would block beta radiation

• skin

• sheet of paper

• cotton material

• sheet of copper

This diagram represents

• alpha decay

• beta decay

• condensation

• evaporation

This diagram represents

• alpha decay

• beta decay

• sublimation

• deposition

The subatomic particle with a negative charge is

• a proton

• a neutron

• an electron

• a nucleus