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9s4
| Term | Definition |
|---|---|
| metal | these are those elements located to the left of the stair step line. They tend to lose electrons in chemical reactions. |
| nonmetals | These are located to the right of the stair step line.They tend to gain electrons in chemical reactions to form negative ions. |
| metalloids | They border the stair step line and have some properties of both metals and nonmetals. |
| periodic law | : the elements when arranged in the order of their atomic numbers show a periodic variation of atomic structure and of all of their properties. |
| proton | a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign |
| neutron | There are two components that make up the central core: positively charged protons and neutrons that |
| electron | a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids... |
| atomic symbol | ,this has a symbol is a code for a chemical element. |
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lydia91607
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