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Atom, electron configurations Terms in this set (14)J. J. Thomson Who found electrons with a cathode ray and created the plum pudding model? Ernest Rutherford Who "found" the nucleas with the gold foil experiment? protons and electrons Neutral atoms must have the same number of... sum of protons and neutrons Mass number is the: how many protons are in an element The atomic number of an element shows and is: two How many protons are in a helium atom? isotope Atoms of the same element with the same number of protons but different number of neutrons two How many electrons can be on one orbital at a time? top of the element box The atomic number is found on the: bottom of the element box The atomic mass is found on the: seven What is the mass number of an atom that contains 3 protons and 4 neutrons? four What is the mass number of an atom of helium that contains 2 neutrons? atomic number: 3 What is the atomic number and the mass number of an isotope of lithium containing 3 neutrons? A lithium atom contains 3 protons in its nucleus. atomic number: 3 What is the atomic number and the mass number of an isotope of lithium containing 4 neutrons? A lithium atom contains 3 protons in its nucleus. Students also viewedCHAPTER 537 terms rea1208 Elements - Assignment10 terms Emrisina Elements - Quiz (80%)10 terms Emrisina Chem Final Lab90 terms Mily97 Other sets by this creator247 midterm16 terms EastCoastArce mar chap626 terms EastCoastArce mar chap725 terms EastCoastArce mar chap825 terms EastCoastArce Verified questions
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physics An $8.00-\mathrm{kg}$ point mass and a $15.0-\mathrm{kg}$ point mass are held in place $50.0 \mathrm{~cm}$ apart. A particle of mass $m$ is released from a point between the two masses $20.0 \mathrm{~cm}$ from the $8.00-\mathrm{kg}$ mass along the line connecting the two fixed masses. Find the magnitude and direction of the acceleration of the particle. Verified answer
health On a separate sheet of paper, write the term that best matches each definition below.\ The putting off of the most intense stages of grief. Verified answer
biology a. What letters are used to represent the short and long arms of human chromosomes? b. Sketch a schematic diagram of a hypothetical chromosome 3 that has 3 regions with 2 bands each on the short arm and 5 regions with 3 bands each on the long arm. Label the arms, regions, and bands and indicate a gene at position 3p32. Verified answer Recommended textbook solutionsPrinciples of Environmental Chemistry3rd EditionJames Girard 371 solutions Organic Chemistry3rd EditionDavid Klein 3,087 solutions Chemistry for Engineering Students2nd EditionLawrence S. Brown, Thomas A. Holme 945 solutions Atkins Physical Chemistry10th EditionJulio de Paula, Peter Atkins 1,315 solutions Other Quizlet setsCh. 910 terms kendra_key7 Comm dental Kahoot final47 terms study2k14 Test 1 Vocab33 terms kaylabateman614 Which of the following is an isotope of lithium?Lithium has two stable isotopes, 6Li and 7Li, which have abundances of 7.5% and 92.5%, respectively.
Which of the following represents a lithium Li isotope with 4 neutrons?Lithium-7. Lithium-7 is by far the most abundant isotope of lithium, making up between 92.2% and 98.1% of all terrestrial lithium. A lithium-7 atom contains three protons, four neutrons, and three electrons.
What has 26 protons and 23 electrons?An iron ion contains 26 protons, 27 neutrons, and 23 electrons.
Is lithium an isotope ion or neutral atom?However, a lithium atom is neutral because there are 3 negative electrons outside the nucleus. A neutral lithium atom will also have 3 electrons.
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Which of the following is an isotope of lithium Quizlet
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