Periodic Table of Elements 1 H Symbol 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 C Sold Liquid Gas Unknown Metals Michael Day 228k For elements with no stable isotopes, the mass number of the slope with the longest half is in parentheses. Copyright Yaw Macha Dayat Cm For a fully interactive experience, wwwww..com : May 8, 2013 michidayah.com Question 1 (7 points) Listen Which elementary particle is most important in causing the release of nuclear energy? 1) proton 2) neutron 3) electron Question 2 (7 points) Listen Fusion requires extremely high temperatures to begin because 1) electrons interfere with the process 2) hydrogen and helium are gases 3) positive nuclei repel each other 4) releasing more energy requires a greater input of energy first 5) nuclei without neutrons can't create larger nuclei that DO contain neutrons Question 3 (7 points) Listen Periodic Table of Elements 456789 10 11 12 13 14 15 16 17 18 Sold Nonmeta UFER Unknown Akaire Noble gases Poorma One radioactive substance is Carbon-14. How many neutrons exist in the nucleus of a Carbon-14 atom? 1) 6 2) 14 3)8 4)12 05) 7 Periodic Table of Elements 123456789 10 11 12 13 14 15 16 17 18 Symbol Sold US2 *** *** *** *** *** !!! Actinoid T For with notables the suber of the top with the longest hate is in 815 ell Question 4 (7 points) Listen Which type of radioactive decay involves the ejection of an electron? 1) delta 2) alpha gamma 4) beta 5) theta Periodic Table of Elements 456789 10 11 12 13 14 15 16 12 Sold 18 Ama For me with notable to the assur longest hate is in Question 5 (7 points) = Listen The result of alpha decay is that the atomic number of the atom undergoing decay decreases by... and the mass number decreases by ..... 1) two; two 2) two; four 3) four; two 4) four; four Periodic Table of Elements 23456789 10 11 12 13 14 15 16 17 18 Symbol Sold ii * 1:|Z * 1pe 12 iZ i[ For with notable tops the mass uniber of the isotope with the longest hate is in Question 6 (7 points) Listen Fission does NOT require high temperatures to begin because 1) the fissionable nucleus is being bombarded with a neutron, which has no charge 2) fission creates mass while fusion causes mass to disappear 3) uranium and plutonium are solids at room temperature 4) fission is endothermic 5) splitting nuclei is spontaneous and does not require a bombarding particle