4.5.1.2 The majority of Explain the differences 0.5 WS 1.2 YouTube: elements are metals. between metals and Describe metals and Metals are to the on the of their non-metals and explain left and towards the characteristic physical and the differences between bottom of the periodic chemical properties. them in terms of their table. Non-metals are Explain how the atomic characteristic physical found towards the right structure of metals and and chemical properties and top of the periodic relates to their (see 4.6.2 Structure and table. position in the periodic table. bonding and the Elements that react by sections about groups 1, Explain how the reactions of losing their outer 7 and 0 in this topic). elements are related to the electrons to form arrangement of electrons in positive ions are atoms and hence to their metals. atomic number. Elements that do not form positive ions are non-metals. The more reactive non-metals, such as the halogens, react with metals by gaining electrons to form negative ions. 4.5.1.3 The elements in Group Explain how properties of the 1 Extended writing: WS 1.2 0 of the periodic table elements in Group 0 depend Describe the trends in Predict properties from are called the noble on the outer shell of electrons properties in Group 0. given trends down gases. They are of the atoms. Group 0. unreactive and do not
4.5.1.2 The majority of elements are metals. Metals are to the left and towards the bottom of the periodic table. Non-metals are found towards the right and top of the periodic table. Elements that react by losing their outer electrons to form positive ions are metals. Elements that do not form positive ions are non-metals. The more reactive non-metals, such as the halogens, react with metals by gaining electrons to form negative ions. Explain the differences between metals and on the of their characteristic physical and chemical properties. Explain how the atomic structure of metals and relates to their position in the periodic table. Explain how the reactions of elements are related to the arrangement of electrons in atoms and hence to their atomic number. 0.5 WS 1.2 Describe metals and non-metals and explain the differences between them in terms of their characteristic physical and chemical properties (see 4.6.2 Structure and bonding and the sections about groups 1, 7 and 0 in this topic). YouTube: 4.5.1.3 The elements in Group 0 of the periodic table are called the noble gases. They are unreactive and do not Explain how properties of the elements in Group 0 depend on the outer shell of electrons of the atoms. 1 Extended writing: Describe the trends in properties in Group 0. WS 1.2 Predict properties from given trends down Group 0.
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