coR document/d/1yveXXFoDcpUvyu9119S40H-eS914CoFJUHSD BookmarksSurrealism - The M.Other bookmarksE1Roland Morris..Trying to connect...ShareFile Edit Viaw Incart Format Tools HelrThis document is open in another tab for offline editing. Editing from this tab is suspended and chfrom other sessions will not be shown until you reconnect to the network.13. What were the 4 ancient elements that Empedocles described?14. List the six ideas of John Dalton's model of the atom

13) Empedocles Greek philosopher who described that the universe contained four elements: Fire,…

Answered: 13. What were the 4 ancient elements…

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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What did Ernest Rutherford discover about the structure of an atom ?
32. Dalton's Atomic Theory included all of the ideas listed below except a. All atoms of a given element have identical properties.b. Atoms cannot be created or destroyed.c. All atoms of a given element have properties that differ from those of other elements.d. An element is composed of very small particles called protons, neutrons and electrons.e. Compounds are formed when atoms of different elements combine with one another in small whole-number ratios. 29. Which of the following elements has the smallest ionic radius? a. magnesiumb. aluminumc. sulfur
Please explain also other options why incorrect.
From the results of his gold foil experiment, Rutherford concluded that Group of answer choices A. electrons have a charge of -1.6 x 10-19 C. B. atoms contain roughly equal numbers of neutrons and protons. C. atoms are composed of a small, dense nucleus surrounded by a cloud of electrons. D. alpha particles are helium nuclei
Which postulate in the atomic theory did the discovery of isotopes contradict? Group of answer choices A. Atoms are indivisible. B. Atoms of the same element have the same properties. C. Chemical compounds are composed of atoms of different elements. D. Chemical reactions are merely rearrangements of the atoms.
32
How many electrons, protons, and neutrons are contained in each atom?a. gallium-69 c. titanium-48b. fluorine-23 d. tantalum-181
Which idea came out of Rutherford’s gold foil experiment?a) Atoms contain protons and neutrons.b) Matter is composed of atoms. c) Elements have isotopes.d) Atoms are mostly empty space.
Rutherford’s gold foil experiment gave scientists clues to the composition of the atom. One thing the experiment DID NOT model was
Which information did Millikan contribute to the understanding of electrons? A:He determined that electrons do not move in specific orbits around the nucleus. B:He determined the amount of charge on an electron. C:He determined the ratio of mass to charge for electrons. D:He determined that electrons absorb or release specific amounts of energy.
Which subatomic particle is transmitted through electric current? A. proton B. electron C. electron D. nucleus
6. Who discovered the nucleus of the atom? A. Dalton B. Rutherford C. Millikan D. Thomson 7. The five spheres below represent Se, Se2-, O, H, and S, not necessarily in that order. 37 pm 72 pm 100 pm 114 pm 196 pm Which answer correctly orders all five species from smallest to largest? A. O х"(g) + e B. X*(g) → X*(aq) С. Х(g) + e -> X (з) D. X*(g) + e→ X(g) 9. Which of the following compounds are insoluble? A. Pbl2 В. CaSO4 С. CSCI D. Nazs E. Both A and B 10. Assign oxidation numbers to the chlorine atom in each of the following compounds: Cl2, HCI, ClO3, CIF3, PCI3 А. О, —1, +6, +3, -1 В. О, —1, +5, +3, -3 С. 0, —1, +5, +3, —1 D. 0, -1, +3, +3, –1

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13. What were the 4 ancient elements that Empedocles described? 14. List the six ideas of John Dalton's model of the atom