Sophia 0.0 / 5 ? Extended ProjectscienceFunNone Created by: Sophia Louise ArangoCreated on: 19-11-16 11:52 What are groups (periodic table)? In the Periodic table, the vertical columns are called groups. The elements in groups have similar properties 1 of 22 What are periods (periodic table)? The horizontal rows of the table are called periods 2 of 22 Are the element in group 1 reactive? Yes 3 of 22 What is another name for group 7? The Halogens 4 of 22 Do halogens have high or low melting points? Low Melting points 5 of 22 What group are the noble gases? Group 0 6 of 22 What color are the noble gases? they are colorless 7 of 22 name 3 noble gases neon, helium and argon 8 of 22 are noble gases reactive or un-reactive? un-reactive 9 of 22 on which side of the stepped line are the metals? the left side 10 of 22 what are metals good for? they are good for conducting electricity and heat 11 of 22 non-matals are dull and brittle in what state? in solid state 12 of 22 name two groups that are reactive group 1 and group 7 13 of 22 name 3 elements in group 7 Fluorine, Bromine, and Chlorine 14 of 22 name 3 elements in group 1 lithium, Sodium, and Potassium 15 of 22 what is another name for group 1 alkali metals 16 of 22 what gas is produced when alkali metals react with water? hydrogen gas 17 of 22 where do noble gases come from? they exist in the atmosphere, mixed with other gases 18 of 22 when was the modern periodic table created? in 1869 19 of 22 what is the name of the elements in the step? the metalloids 20 of 22 what is a displacment reaction? displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compoundo 21 of 22 who modernised the periodic table? Dmitri Mendeleev 22 of 22
Comments
No comments have yet been made