Science 8th Periodic Word Scramble
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Question | Answer |
atom | smallest particle of an element made up of protons |
proton | a particle with a positive charge that is found in the nucleus of an atom |
neutron | a particle with no charge that is found in the nucleus of an atom |
electron | a particle with a negative charge that is found outside the nucleus of an atom |
valence electron | an electron in the outer shell of an atom which can combine with other atoms to form molecules |
shell | the path an electron takes as it circles the nucleus of an atom |
electron cloud | a region around the nucleus of an atom where electrons are likely to be found |
ion | an atom that has a positive or negative charge |
isotope | one of two or more atoms with the same atomic number (protons) but with different numbers of neutrons |
ionic bond | a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains to electron to form a negative ion |
covalent bond | a chemical bond that involves sharing a pair of electrons between atoms in a molecule |
atomic mass | the average mass of all the isotopes of an element |
atomic number | the number of protons in the nucleus of an atom |
mass number | the total number of protons and neutrons in the nucleus of an atom |
element | matter that consists entirely of one type of atom |
compound | matter whose smallest unit is a molecule made up of more than one kind of atom |
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