Question 11 Glow-in-the-dark toys and watches function by what chemical process?

Question

Question 11 Glow-in-the-dark toys and watches function by what chemical process? Phosphorylation Chemiluminescence Phosphorescence Hydroluminescence Question 12 How are elements with atomic numbers greater than 92 created? By natural fission By natural fusion By the addition of heavy water, also known as D20 Artificially, in nuclear research facilities Question 13 How can the following be balanced : 24494P-24495Arm? 4 2He Question 14 How did Becquerel verify that phosphorescence was occurring in a mineral sample? By exposing a mineral sample on an unwrapped photographic plate to the sun, then developing the plate By exposing a mineral sample on a wrapped, light tight photographic plate to no sun, then developing the plate None of the above By exposing a mineral sample on a wrapped, light tight photographic plate to the sun Question 15 How do unstable isotopes form stable isotopes? By emitting radioactive particles from their nuclei By radioactive attraction By nuclear fusion By nuclear fission

Explanation / Answer

11) Phosphorescence is the process by which glow in the dark toys and watches function. Phosphorescence happens without combustion or internal heat.The light is emitted by radiation.

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