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4 Cards in this Set
- Front
- Back
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What is beryllium in the periodic table |
Metallic |
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What other elements are metals in the periodic table? |
Li- lithiu |
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If the mass number of beryllium is 9 hoe many proton, neutron and elections are there? |
4 protons 4 electrons 5 neutrons |
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The electron configuration of phosphorus is 2,8,5. Why is phosphorus in group 5 in the periodic table? |
There is 5 electrons on the outer shell therefore phosphorus has similarities with all the other elements in the group. |
