C2 Topic 1 5.0 / 5 based on 1 ratingTeacher recommended ? ChemistryAtomsThe Periodic TableGCSEEdexcel Created by: ldupre03Created on: 25-04-17 19:25 where are the protons, neutrons and electrons in an atom? central nucleus = protons & neutrons, shells = electrons 1 of 15 Atoms of given element have the same number of what in their nuclei? protons 2 of 15 atoms have the same number of what? protons and electrons 3 of 15 what is the relative mass and relative charge of a proton? mass=1, charge=+1 4 of 15 what is the relative mass and relative charge of a neutron? mass=1, charge=0 5 of 15 what is the relative mass and relative charge of a electron? mass=1/1840, charge=-1 6 of 15 what is the atomic number in an element? the number of protons in the nucleus 7 of 15 what is the mass number in an element? the total number of protons and neutrons in the nucleus 8 of 15 atoms of the same element with a different number of neutrons are called what? isotopes 9 of 15 where is the mass number written when next to an element symbol? top left 10 of 15 atoms' masses are so small we don't talk about them in Kg, we compare them to what? carbon-12 11 of 15 what the horizontal lines in the periodic table called? periods 12 of 15 what the vertical lines in the periodic table called? groups 13 of 15 where are the metals in the periodic table? on the left 14 of 15 who first made the periodic table? Mendeleev 15 of 15
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