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physical science
Question | Answer |
---|---|
symbol of alpha | a |
symbol of beta | B |
symbol of gamma | y |
list 5 things that show chemical change as happened | 1. Smell 2. Color change 3. Bubble/gas forms 4. Solid form from 2 liquids 5. Release of energy |
What are 3 subatomic particles that make up an atom, and what are their changes? | 1. Protons 2. Neutrons 3. Electron |
What makes up the nucleus of an atom? | Protons and neutrons |
Where are the electrons located in an atom? | Outside |
What are quarks? | Protons and neutrons that are made of smaller particals |
Chopping wood | Physical |
Food molding | chemicals |
Charge for alpha | +2 |
Charge for beta | -1 |
Charge for gamma | 0 |
Half life | To take the number you have an divide it by 2 for each time you have to divide it |
what is an ion | An atom or molecule with a net electric charge due to the loss or gain of one or more electrons. |
Alpha can be stopped by? | Paper and, clothing |
Beta can be stopped by? | lab coats, and gloves |
Gamma can be stopped by? | Lead, thick and concrete |
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