Homework Answers
24)
a)
Atomic number of Br is 35
Due to -1 charge, it has 36 electrons.
36 electrons are present in Kr
Answer: Kr
b)
Atomic number of O is 8
Due to -2 charge, it has 10 electrons.
10 electrons are present in Ne
Answer: Ne
c)
Atomic number of Se is 34
Due to -2 charge, it has 36 electrons.
36 electrons are present in Kr
Answer: Kr
d)
Atomic number of N is 7
Due to -3 charge, it has 10 electrons.
10 electrons are present in Ne
Answer: Ne
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24. Which noble gas is isoelectronic with each of the following nonmetal ions? (a) Br (a)...
72. Predict the electron pair geometry, the molecular shape, and the bond angle for a carbon...
72. Predict the electron pair geometry, the molecular shape, and the bond angle for a carbon tetrabromide molecule, CBra, using VSEPR theory. my VSEPR theory 74. Predict the electron pair geometry, the molecular shape, and the bond angle for a phosphine molecule, PH, using VSEPR theory. ecule even though it has four polar bonds. 78. Apply VSEPR theory to explain why SiF, is a nonpolar molecule even though it has four polar bonds. morin (D) O atom or Oion 26....
LEEP 12. Use the periodic table to predict an ionic charge for each of the following...
LEEP 12. Use the periodic table to predict an ionic charge for each of the following metal ions. (a) Na ion (b) Ba ion (o Ga ion (d) Pb ion 10. State whether the representative particle in each of the fol- lowing substances is an atom, a formula unit, or a molecule. (a) acetone, CHO (b) cobalt, Co (d magnetite, FeO, (d) phosphorus, P: 6. Predict whether each of the following is held together by ionic or covalent bonds. (a)...
Which simple ion would each of the following elements be expected to form? What noble gas...
Which simple ion would each of the following elements be expected to form? What noble gas has an analogous electron configuration to each of the ions? (a) calcium, Z=20 ion full electron configuration of ion noble gas equivalent Answer Answer Answer (b) nitrogen, Z=7 ion full electron configuration of ion noble gas equivalent Answer Answer Answer (c) selenium, Z=34 ion full electron configuration of ion noble gas equivalent Answer Answer Answer
Chapter 9 1. Na+ has the same electron configuration as which noble gas? A) Ne b)...
Chapter 9 1. Na+ has the same electron configuration as which noble gas? A) Ne b) Ar c) Xe d) Rn 2. Cl- has the same electron configuration as which noble gas? A) Ne b) Ar c) Xe d) Rn 3. Which of these steps requires the most energy in the formation of a solid ionic compound from its elements? A) removal of the electron from the metal to form the cation b) transfer of the removed electron to the...
for each of the following ions, indicate the noble gas that has the same lewis structure...
for each of the following ions, indicate the noble gas that has the same lewis structure as the ion. express your answer as a chemical symbol? BR- O2- Rb+ Ba2+
2. For the polyatomic ions NO2 and NH4*: (a) Draw the correct Lewis structures of each...
2. For the polyatomic ions NO2 and NH4*: (a) Draw the correct Lewis structures of each (showing each step). (b) State the number of groups (the sum of attached atoms and lone electron pairs) that surround the central atom in each ion. (c) Based on your answers in (b), state the geometry (e.g. linear, trigonal planar, bent, trigonal pyramidal or tetrahedral) of each ion. (d) Based on your answers in (c), state the approximate bond angles about the central atom...
For each of the following ions, indicate the noble gas that has the same Lewis structure...
For
each of the following ions, indicate the noble gas that has the
same Lewis structure as the ion
Part Sp2+ Express your answer as a chemical symbol. AED 0 3 ? Submit Request Answer Part D Express your answer as a chemical symbol. Submit Request Answer Provide Feedback
Part A Which neutral atom is isoelectronic with each of the following ions: Ga3+, Zr++, Mn7+,...
Part A Which neutral atom is isoelectronic with each of the following ions: Ga3+, Zr++, Mn7+, 1", Sn"+? Express your answers as chemical symbols separated by commas. Submit Request Answer
For the polyatomic ions NO2- and NH4+: Draw the correct Lewis structures of each (showing each...
For the polyatomic ions NO2- and NH4+: Draw the correct Lewis structures of each (showing each step). State the number of groups (the sum of attached atoms and lone electron pairs) that surround the central atom in each ion. Based on your answers in (b), state the geometry (e.g. linear, trigonal planar, bent, trigonal pyramidal or tetrahedral) of each ion. Based on your answers in (c), state the approximate bond angles about the central atom in each ion. Is each...
Using molecular models, construct the following molecules/polyatomic ions, and write their Lewis formulas. Record the following...
Using molecular models, construct the following molecules/polyatomic ions, and write their Lewis formulas. Record the following information for each in your laboratory notebook. a) Molecule or ion (Formula and IUPAC name) b) Lewis structure c) Draw any resonance structures if applicable d) # of bonding regions (double and triple bonds count as a single region) e) # of nonbonding pairs f) Hybridization of the central atom g) VSEPR designation h) Molecular geometry of the molecule/polyatomic ion, i) Polarity of the...
72. Predict the electron pair geometry, the molecular shape, and the bond angle for a carbon tetrabromide molecule, CBra, using VSEPR theory. my VSEPR theory 74. Predict the electron pair geometry, the molecular shape, and the bond angle for a phosphine molecule, PH, using VSEPR theory. ecule even though it has four polar bonds. 78. Apply VSEPR theory to explain why SiF, is a nonpolar molecule even though it has four polar bonds. morin (D) O atom or Oion 26....
LEEP 12. Use the periodic table to predict an ionic charge for each of the following metal ions. (a) Na ion (b) Ba ion (o Ga ion (d) Pb ion 10. State whether the representative particle in each of the fol- lowing substances is an atom, a formula unit, or a molecule. (a) acetone, CHO (b) cobalt, Co (d magnetite, FeO, (d) phosphorus, P: 6. Predict whether each of the following is held together by ionic or covalent bonds. (a)...
Chapter 9 1. Na+ has the same electron configuration as which noble gas? A) Ne b) Ar c) Xe d) Rn 2. Cl- has the same electron configuration as which noble gas? A) Ne b) Ar c) Xe d) Rn 3. Which of these steps requires the most energy in the formation of a solid ionic compound from its elements? A) removal of the electron from the metal to form the cation b) transfer of the removed electron to the...
2. For the polyatomic ions NO2 and NH4*: (a) Draw the correct Lewis structures of each (showing each step). (b) State the number of groups (the sum of attached atoms and lone electron pairs) that surround the central atom in each ion. (c) Based on your answers in (b), state the geometry (e.g. linear, trigonal planar, bent, trigonal pyramidal or tetrahedral) of each ion. (d) Based on your answers in (c), state the approximate bond angles about the central atom...
For
each of the following ions, indicate the noble gas that has the
same Lewis structure as the ion
Part Sp2+ Express your answer as a chemical symbol. AED 0 3 ? Submit Request Answer Part D Express your answer as a chemical symbol. Submit Request Answer Provide Feedback
Part A Which neutral atom is isoelectronic with each of the following ions: Ga3+, Zr++, Mn7+, 1", Sn"+? Express your answers as chemical symbols separated by commas. Submit Request Answer
Using molecular models, construct the following molecules/polyatomic ions, and write their Lewis formulas. Record the following information for each in your laboratory notebook. a) Molecule or ion (Formula and IUPAC name) b) Lewis structure c) Draw any resonance structures if applicable d) # of bonding regions (double and triple bonds count as a single region) e) # of nonbonding pairs f) Hybridization of the central atom g) VSEPR designation h) Molecular geometry of the molecule/polyatomic ion, i) Polarity of the...
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