The Periodic Table 0.0 / 5 ? ChemistryAtomsGCSEAQA Created by: AstangerCreated on: 08-07-19 13:45 What two subatomic particles are in the nucleus of an atom? protons and neutrons 1 of 20 Which scientist carried out the alpha particle scattering experiment? E......................... R................................. 2 of 20 Who discovered the neutron? James Chadwick 3 of 20 What was wrong with John Newlands' periodic table? He did not leave any gaps 4 of 20 Which group of the periodic table is known as the alkali metals? group 1 5 of 20 What happens to the reactivity of the alkali metals as you go down the group? They get more reactive 6 of 20 Which group of the periodic table is known as the halogens? Group 7 7 of 20 What happens to the reactivity of the halogens as you go down the group? They get less reactive 8 of 20 Why do atoms have no overall charge? They have an equal number of protons and electrons 9 of 20 State three properties of metals They have high melting points, they conduct electricity and they are malleable 10 of 20 State three properties of non-metals They do not conduct electricity, they have low melting points and they are dull looking 11 of 20 Which year did Mendeleev create his periodic table? 1869 12 of 20 Draw the electron configuration of aluminum 2, 8, 3 13 of 20 Describe the plum pudding model of the atom A ball of positive charge with electrons randomly arranged inside of it. 14 of 20 What does the word element mean? A substance containing only one type of atom 15 of 20 What does the word compound mean? A substance containing two or more different elements that have been chemically bonded together 16 of 20 What is the mass on a proton, neutron and electron? Proton = 1, electron = very small, neutron = 1 17 of 20 Why are the noble gases unreactive? They have a full outer shell. 18 of 20 what is the charge on a proton, neutron and electron? Proton = +1, electron = -1 and neutron = 0 19 of 20 Which group of the periodic table is known as the noble gases? Group 0 20 of 20
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