Order the theories from oldest to most recent. START ORDER Atoms consist of mostly empty space with a dense nucleus of positive charge. Atoms are tiny indivisible particles that make up all matter. Electrons occupy specific energy levels surrounding a positively charged nucleus. Electrons move about a positively charged nucleus in clouds that are defined by probabilities. Negatively charged electrons are embedded in a mass of positive charge. END ORDER 2

Order the theories from oldest to most recent. START ORDER Atoms consist of mostly empty space with a dense nucleus of positive charge. Atoms are tiny indivisible particles that make up all matter. Electrons occupy specific energy levels surrounding a positively charged nucleus. Electrons move about a positively charged nucleus in clouds that are defined by probabilities. Negatively charged electrons are embedded in a mass of positive charge. END ORDER 2

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Describe the energy of the electron in the diagram below. Figure 1 e n=65 4 3 energy is moving to n = 5 energy is being emitted energy is constant Q energy is being absorbed
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Choose the appropriate pair of atoms that contain the same number of neutrons. (Example: ^13 6C = 136C, ^13 7N = 137N and so on) Group of answer choices a. ^13 6C and ^13 7N b. ^37 17Cl and ^36 18Ar c. ^18 8O and ^19 9F d. ^6 3Li and ^7 3Li
11. What was Rutherford's contribution to the atomic model? A. Electrons are not bound to the nucleus. They can be separated from the atom by an electrical current. B. Most of the atom is empty volume. The nucleus only occupies a very tiny space in the center of the atom. C. Protons have a positive charge. The protons are bound to the nucleus. D. Electrons have discrete amounts of energy. Electrons in different electron shells have different amounts of energy. 12. What was Nils Bohr's contribution to the atomic model? A. Electrons are not bound to the nucleus. They can be separated from the atom by an electrical current. B. Most of the atom is empty volume. The nucleus only occupies a very tiny space in the cent of the C. Protons have a positive charge. The protons are bound to the nucleus. D. Electrons have discrete amounts of energy. Electrons in different electron shells have different amounts of energy. 13. What was Eugen Goldstein's contribution to the atomic model? A. Electrons…
MODULE 6 A STUDENT ACTIVITY MAKING AN IMAGINARY PERIODIC CHART INTRODUCTION The following 26 elements were discovered in another far-away galaxy. They are symbolically represented by the letters of our alphabet and are listed in the order of their discovery. The intrepid explorers were able to determine the atomic masses of the elements and to group them partially into families of elements. PURPOSE • To design your own periodic chart. DATA OBTAINED BY THE EXPLORERS The Atomic Masses of the Elements in the Far-Away Galaxy A=45, B=47, C= 59, D=1, E=3, F= 13, G= 25, H= 15, I= 5, J= 7, K= 17, L= 49, M= 39, N= 21, O= 19, P= 9, Q= 11, R= 29, S= 50, T= 62, U= 63, V=53, W= 43, X= 33, Y=23, Z= 35 The Groups/Families of the Elements Active Gases: GTDL Liquids: S M E U H Metallic Solids: I K V I. I. III. IV. Transition Solids: JOR W Nonmetallic Solids: X P Noble Gases: Q ZCY B V. VI. Not yet classified into groups: F AN PROCEDURE 1. Using data obtained by the explorers, try to arrange the…
A selection of the most prominent individuals mentioned in this topic is given below. Match Column A with Column B. More than one concept may be associated with a single name Column A______1. Becquerel______2. Chadwick______3. Curie______4. Dalton______5. Democritus______6. Roentgen______7. Rutherford______8. Thomson Column Ba. proponent of the atomic structure among the ancientGreeksb. proposed the modern atomic theoryc. discovered the nuclear atomd. discovered the electrone. discovered the neutronf. discovered radioactivityg. raisin-bread atomh. discovered previously unknown radioactive elementsi. Discovered X raysj. discovered the proton
Researchers from Lund University in Sweden created it by slamming atoms of one element, calcium, into atoms Scientists confirm new element 115 after atoms collide By Ben Brumfield (1) As though it wasn't hard enough to memorize the names and atomic weights of 117 elements in the periodic number of 115 on the periodic table, the list of all elements known to humanity. table, scientists have now confirmed a new one. of another called americium. . Use paragraph 1 and 2 to describe how the element with 115 protons was createc. (3)The Swedes were the second groun of scientists to create the element. A group of Russian scientists put together the same type of atom in 2004. (4)But the new experiment corroborated their work and confirmed 115's existence. Still, this doesn't mean that you'll see element 115 on the next periodic table poster that gets published. The discovery still has to be approved by a committee composed of members of the International Union of Pure and Applied Chemistry and…
al pages that helped with this content 88 Element Symbol H He Li Be B C Atomic Number 2 01 11451 Number of protons 1 2 Total number of electrons 1 2 (ve weh Shell Model n = 1, 2, 3, ... OM LUISUA G COLOUR CHE U SU GUS 1566 llada) er darge 11 si no wo miestod auspun orld mo 329woldat bibohogart no wos obleas idat a GUSLOA ( ET VIL SISCIA SOMAG GUS COCH LOA leborn and to poh topt uger apon Es Core Electrons 0 be owe Suc Jaum duob Jeurn yhodomos pro 29mco bicort nor over by 11,aphild stil 31 to S Valence electrons LAUK ratall 1 2 ncpris-Euro Lebusura por enc Column on the periodic table Lewis dot structure 1H: 8 He: Li Simplified electron arrangement 1e 2e He is special small-so not octet, but full. Will electrons be lost or gained to complete the complete the outer shell? lose le Usual ionic charge 1+ Noble gas-full outer shell-will not lose or gain e- For this class C family will only share e- no ions
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