Atomic Structure 0.0 / 5 ? ChemistryAtoms and compoundsGCSEAQA Created by: chelseabretonxoxCreated on: 04-03-17 10:57 Its the smallest part of an element that can exist and all substances are made of them Atoms 1 of 14 They are formed from elements by chemical reactions which include a detectable energy change Compounds 2 of 14 they are hown by word/symbol equations Chemical reactions 3 of 14 They consist of 2+ elements or compounds which ARE NOT chemicaly combined Mixtures 4 of 14 after the electron was discovered what model was created? The Pum Pudding Model 5 of 14 the positive charge of any nucleus could be divided into smaller particals with equal charge and called it the.. Proton 6 of 14 Who suggest that electrons orbit the nucleus at specific distances? Neils Bohr 7 of 14 the number of protons an element has is its... Atomic number 8 of 14 the number of electrons in an atom is equal to the number of protons in the... Nucleus 9 of 14 The sum of the protons and neutrons in an atom is the.. Mass number 10 of 14 Atoms of the same element can ahve a different number of neutrons which are called Isotopes 11 of 14 the relative mass of an _________ is very small Electron 12 of 14 An average value which takes account of the abundance of isotopes of the element Relative atomic mass 13 of 14 The amount of electrons on the outer shell can tell you what _____ the element is in Group 14 of 14
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