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7 Cards in this Set
- Front
- Back
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What does the atomic number of an element tell us |
It tells us where it is on the periodic table and it tells us the number of protons the element has |
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What does the mass number of an element tell us |
It tells us how much it weighs and helps you work out the neutrons |
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Explain the term ion and give an example of one |
An ion is a charged element, H20 |
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Why do atoms have no charge and ions have a charge |
Because atoms have the same number of protons and neutrons and I want to have an imbalance of protons and electrons |
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List two elements that form cations and anions |
Cations= lithium, beryllium Anions= fluorine and chlorine |
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Explain why elements in the same group of the periodic table have similar properties |
Because they have the same amount of valence electrons |
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What does the period of the periodic table represent what does it tell us about an atom |
The period of a periodic represents the number of electron shells in an element |
