15. Give four examples of ions found in the human body: а. b. с. d. 16. Define a molecule – 17.Define a compound- a. How do the properties of compounds compare to their constituentelements? 18. Define a mixture – 19. Which electrons in an atom are valence electrons? a. What is the octet rule?

15. Give four examples of ions found in the human body: а. b. с. d. 16. Define a molecule – 17.Define a compound- a. How do the properties of compounds compare to their constituentelements? 18. Define a mixture – 19. Which electrons in an atom are valence electrons? a. What is the octet rule?

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

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

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

Chapter12: Chemical Bonding

Section: Chapter Questions

Problem 13A

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15. Give four examples of ions found in the human body:
а.
b.
с.
d.
16. Define a molecule –
17. Define a compound -
a. How do the properties of compounds compare to their constituentelements?
18. Define a mixture
19. Which electrons in an atom are valence electrons?
a. What is the octet rule?

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Part 1) If 3.36 moles of N2 and 3.90 moles of H2 are combined under, which would be considered the limiting reactant? Part 2) How many grams of NH will be formed during the reaction? Part 3) In sufficient detail, describe the most valid Lewis structure of NH3 (types of bonds, presence of unbonded electrons, existence of any formal charges etc.), then specify its molecular geometry. Based on the reaction to form ammonia (NH3
Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. The enthalpy of formation of MX is Δ?∘f =−437 kJ/mol. The enthalpy of sublimation of M is Δ?sub =161 kJ/mol. The ionization energy of M is IE =467 kJ/mol. The electron affinity of X is Δ?EA =−341 kJ/mol. The bond energy of X2 is BE =163 kJ/mol. Determine the lattice energy of MX.
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