a level applied science- chemistry- 4.5 / 5 based on 3 ratings ? Applied Scienceatomic structures (chemistry)A2/A-levelAQA Created by: ellioc99Created on: 03-04-17 12:09 The total number of protons and neutrons is known as Atomic mass 1 of 15 The number of protons and electrons is known as Atomic number 2 of 15 These orbit the shell and have a negative charge Electrons 3 of 15 Found in the nucleus and do NOT have any charge Neutrons 4 of 15 Found in the nucleus and have a positive charge Protons 5 of 15 Different forms of the same element but have a different number of neutrons Isotopes 6 of 15 A charged particle due to the loss or gain of an electron Ion 7 of 15 When an ion loses an electron its..... charged Positively 8 of 15 When an ion gains an electron its..... charged Negatively 9 of 15 How many electrons are in the first shell Two 10 of 15 How many electrons are in the second shell Eight 11 of 15 How many electrons are in the third shell Eighteen 12 of 15 How many electrons are in the fouth shell Thirty two 13 of 15 In one orbital, how many electrons can it hold Two 14 of 15 RAM is the weighted mean mass of an atom compared to 1/12 of carbon-12. what does RAM stand for Relative Atomic Mass 15 of 15
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