Coloring the Periodic Table Families 8th Grade Science Some images are from www.chem4kids.com www.middleschoolscience.com Families on the Periodic Table Elements on the periodic table can be grouped into families bases on their chemical properties or how they react or combine with other elements Each family has a specific name to differentiate it from the other families in the periodic table.
Elements in each family react differently with other elements. Metals Physical properties include: shininess, malleability, ductility, and conductivity Chemical Properties include: reactivity which is the ease and speed with which an element combines or reacts with other elements and compounds EX: Iron reacts with oxygen to form rust
Gold and platinum are not very reactive so we can use them for jewelry etc. The Reactivity of metals tends to DECREASE as you move from left to right across the periodic table ALKALI METALS Group 1 Hydrogen is not a member, it is a non-metal All are metals and solid at room temp
1 Valence Electron Soft and silvery, shiny Very reactive, esp. with water Conduct electricity(lose 1 electron) Only found in compounds ALKALINE EARTH METALS
Group 2 Metals Solids at room temp 2 electrons in the outer shell White, silvery, and malleable
Reactive, but less than Alkali metals(lose 2 electrons) Conduct electricity TRANSITION METALS Most familiar Almost Good 1 all are solids at room temp (Hg)
conductors of heat and electricity. or 2 Valence Electrons Less Can Reactive than Alkali and Alkaline Earth bond with many elements in a variety of shapes. BORON FAMILY Group 13 3 electrons in the outer shell Most are metals
Boron is a metalloid Reactive Solid at room temp CARBON FAMILY Group 14 4 electrons in the outer shell Contains metals, metalloids, and 1 non-metal Carbon (C)
Reactivity varies Solids at room temp NITROGEN FAMILY Group 15 5 electrons in the outer shell Can share electrons to form compounds Contains metals, metalloids, and non-metals
Reactivity Varies Nitrogen is the only gas at room temp, rest are solids OXYGEN FAMILY Group 16 6 electrons in the outer shell Contains 2 metalloids, and 3 non-metals
Reactive Oxygen is a gas, the rest are solids at room temp Halogens Group 17 7 electrons in the outer shell Non-metals, Uus is unknown Very reactive - are often bonded with Group 1 Alkali Metals
Noble Gases Group 18 Exist as gases Non-metals 8 electrons in the outer shell = Full Helium (He) has only 2 electrons in the outer shell = Full Not reactive with other elements
Rare Earth Metals (Lanthanides & Actinides) Some are Radioactive The rare earths are silver, silvery-white, or gray metals. Conduct electricity Top row Lanthanides Bottom row Actinides
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