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Science
Science(The atom)
Question | Answer |
---|---|
What is an atom? | The smallest part of an element which still contains properties of that element |
What are the sub-atoms? | Protons,neutrons and electons |
Where is a proton located and what is its charge? | The nucleus and it is positavly charged |
Where is the neutron located and what is its charge? | The nucleus and it has no charge |
Where is an electron located and what is its charge? | Orbiting the nucleus and a negative charge |
What is the atomic number of an element | The number of protons and electrons in an atom of that element |
What is the mass atomic number of an element? | The number of protons and nuetons in an atom of that element |
How do you find how many electrons there are in an element? | Atomic number - mass number (top number - bottom number) |
How are electrons prepared? | the nucleus(protons and nuetrons) the first shell can contain up to 2 electrons, the second and third shells can contain up to 8 electrons |
What is an isotope? | Atoms of the same element which have different numbers of nuetrons |
Give an example of an isotope | The carbon element |