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An atom has atomic number 11 and mass number 23. how many electrons does the atom have?
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An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
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An atom has atomic number 11 and mass number 23. how many electrons does the atom have?...
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