Science End of Year Test 0.0 / 5 ? FunFunFunNone Created by: annabel113Created on: 25-05-16 16:21 What is the name of group 1 on a periodic table? Alkali Metals 1 of 22 What is the name of group 7 on a periodic table? Halogens 2 of 22 What are all substances made up of? Atoms 3 of 22 What is the necleus of an atom made up of? Protons and Neutrons 4 of 22 What is the relative charge of a proton? +1 5 of 22 What is the relative cahrge of a neutron? 0 6 of 22 What is the relative charge of an elctron? -1 7 of 22 In an atomthe number of electrons is equal to what? The number of protons. 8 of 22 What is an isotope? An atom that has a different number of neutrons but the same number of protons and electrons. 9 of 22 Who invented the plumb pudding? Thomson 10 of 22 in Rutherfords nuclear model are the elctrons negative or positive? Positive 11 of 22 Why are noble gases unreactive? Because the have stable arrangements of electrons. 12 of 22 Wht is the odd one out in group 0? and why? Helium because all of the other noble gases have 8 electrons in their outermost shell whereas helium has 2. 13 of 22 What are compounds? Something that is composed of two or more single elements. 14 of 22 Whatis made when you add sodium and water? sodium hydroxide + hydrogen 15 of 22 actual size= image sze over magnification 16 of 22 What does the Nucleus do? Controls the activities of the cell 17 of 22 What does the cytoplasm do? it is where mst of the chemical reactions happen. 18 of 22 What does the cell membrane do? Controls the passage of substances going in and out of the cell. 19 of 22 What does the Mitochondria do ? it is where most of te energy is released in respiration. 20 of 22 What is the cell wall made of? cellulose 21 of 22 What type of prokaryote is a bacteria cell? single -celled 22 of 22
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