17161514131211DNombre de protonsNombre de neutronsCarbon: C6Hydrogen: H1Oxygen: O881- Distinguish between an element and a compound.2- Deduce that ethanol is a compound substance.3- Determine the number of electrons of an atom of element O.4- Identify the atoms D, B and E.3- Choose from the following formulas the ones that represent the ethanolmolecule:on DBE,D,B,ED,BE,81Mass Number

Anything which occupies space & have mass is matter. Example: Elements, compound.

Nombre de protons Nombre de neutrons Carbon: C 6 6 Hydrogen: H 1 Oxygen: O 8 1- Distinguish between an element and a compound. 2- Deduce that ethanol is a compound substance. S- Determine the number of electrons of an atom of element O. 4- Identify the atoms D, B and E. *- Choose from the following formulas the ones that represent the ethanol molecule: D,B,E D,BE, D,BE,

Nombre de protons Nombre de neutrons Carbon: C 6 6 Hydrogen: H 1 Oxygen: O 8 1- Distinguish between an element and a compound. 2- Deduce that ethanol is a compound substance. S- Determine the number of electrons of an atom of element O. 4- Identify the atoms D, B and E. *- Choose from the following formulas the ones that represent the ethanol molecule: D,B,E D,BE, D,BE,

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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2. Suppose an element consisted of three naturally occurring isotopes. The reported average mass for the element was 75.42 amu. The following information is known: isotope I has a mass of 80.45 and makes up 2.4% of the element's atoms. Isotope II has a mass of 72.22 and makes up 30.0% of the element's atoms. What would you estimate as the mass of isotope III? What instrument is used to determine the mass and natural abundance? Provide a likely sketch of the results from this instrument.
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