classifying elements Word Scramble
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Question | Answer |
proton | a particle in the space inside the nucleus. |
neutron | |
electron | a particle in the space outside the nucleus of an atom that carries one unit of negative electric charge. |
atomic number | the number of protocols in a single atom of an element. |
molecule | a particle that contains two or more atoms joined together. |
metals | a substance that conducts heat and electricity. |
nonmetal | |
noble gases | |
metalloids | |
periodic |
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