Homework Answers
Refer the image attached below.
Add Answer to:
25-30
25. Which of the atoms listed below is the most electronegative? A) Li B) Cs...
17) Which of the following statements is true for most atoms? (1 point) a) In general,...
17) Which of the following statements is true for most atoms? (1 point) a) In general, as the atomic radius increases, the first ionization energy increases. b) In general, as the atomic radius increases, the first ionization energy decreases. c) In general, as the first ionization energy decreases, the electronegativity increases. d) No correct answer is given. biolog 18) Bonds between which of the following two elements would involve a complete transfer of electrons? (1 point) Sanonimowolto a) C and...
Are the basic units of matter: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons...
Are the basic units of matter: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons Has a negative charge: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons Whether an atom will interact with other atoms depends on how many electrons it has. a) True b) False How many electrons are in the second orbital of an atom? a) 2 b) 6 c) 8 d) 4 e) 10 How many Hydrogen atoms does a water molecule have? a)...
..ll T-Mobile 2:05 PM 29% 12) of the four elements most prevalent in living organisms, which...
..ll T-Mobile 2:05 PM 29% 12) of the four elements most prevalent in living organisms, which element makes up the highest percentage? A) sulfur B) sodium C) oxygen D) potassium E) carbon 13) An atom of an element has atomic number of 6 and mass number of 14. From this information, we can determine that the nucleus has : A) 6 protons. B) 8 electrons. C) 8 neutrons. D) 6 protons and 8 electrons. E) 6 protons and 8 neutrons....
atoms are b) List the electronic and molecular geometries for C2H4 around the central Catom (the...
atoms are b) List the electronic and molecular geometries for C2H4 around the central Catom (the equivalent). What is the hybridization of C in ethylene? c) Draw the orbital diagram for the valence electrons of carbon in a C2H4 molecule below. Label the orbitals appropriately. Hint: Note the relative energies of the orbitals. Fill in the orbital diagram of unhybridized valence Using hybridized orbitals, draw the orbital diagram electrons in an isolated Catom. Label the orbitals. of one of the...
all 6. Which combination of atoms is most likely to form an ionic compound if they...
all
6. Which combination of atoms is most likely to form an ionic compound if they are allowed to react with each other? A) metal and metal B) metal and nonmetal C) nonmetal and nonmetal D) metalloid and metalloid E) All combinations are likely to form an ionic compound. 7. A covalent bond involves which of the following? A) sharing of electrons between two atoms B) transfer of electrons between two atoms C) donation of protons from one atom to...
Which list incudes elements with the most similar chemical properties? B) Cr, Pb, Xe 37) D)...
Which list incudes elements with the most similar chemical properties? B) Cr, Pb, Xe 37) D) N, O, F O,S, Se C) As the elements in Period 3 are considered in order of increasing atomic number, there is a general decrease in C) atomic mass D) atomic radius A) first ionization energy B) electronegativity Element K reacts with chlorine to form an ionic compound that has the formula XCl,. To which group on the Periodic Table coul element X'belong? A)...
1. A. Put the following atoms in order of increasing electronegativity Br N Н B. Using the atoms above, which pair of a...
1. A. Put the following atoms in order of increasing electronegativity Br N Н B. Using the atoms above, which pair of atoms will create the most polar bond? C. Put the bonds below in order from least to greatest bond polarity С-Н N-H Н-Br D. Explain how you arrived at your answers to B and C 2. A. For the following Lewis structures, determine the formal charge on all of the atoms in the structure H H O :...
Ul Tuise. iSUlBpes are atoms of the same element that have the same atomic number but different mass numbers. A. True B. False 9. The table below describes four atoms. Atom B 81 120 81 Atom C 80 1...
Ul Tuise. iSUlBpes are atoms of the same element that have the same atomic number but different mass numbers. A. True B. False 9. The table below describes four atoms. Atom B 81 120 81 Atom C 80 118 80 Atom D 79 120 79 Atom A 79 118 79 Number of protons Number of neutrons Number of electrons Which atoms represent the same element?
Ul Tuise. iSUlBpes are atoms of the same element that have the same atomic number...
20. How do atoms achieve noble-gas electron configurations in single covalent bonds? a. One atom completely...
20. How do atoms achieve noble-gas electron configurations in single covalent bonds? a. One atom completely loses two electrons to the other atom in the bond. b. Two atoms share two pairs of electrons. C. Two atoms share two electrons. d. Two atoms share one electron 21. Why do atoms share electrons in covalent bonds? a to become ions and attract each other b. to attain a noble-gas electron configuration c. to become more polar d. to increase their atomic...
30) Why don't we draw double bonds between the Be atom and the CI atoms in...
30) Why don't we draw double bonds between the Be atom and the CI atoms in BeCl2? A) That would give positive formal charges to the chlorine atoms and a negative formal charge to the beryllium atom. B) There aren't enough electrons. C) That would result in more than eight electrons around beryllium. D) That would result in more than eight electrons around each chlorine atom. E) That would result in the formal charges not adding up to zero.
17) Which of the following statements is true for most atoms? (1 point) a) In general, as the atomic radius increases, the first ionization energy increases. b) In general, as the atomic radius increases, the first ionization energy decreases. c) In general, as the first ionization energy decreases, the electronegativity increases. d) No correct answer is given. biolog 18) Bonds between which of the following two elements would involve a complete transfer of electrons? (1 point) Sanonimowolto a) C and...
Are the basic units of matter: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons Has a negative charge: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons Whether an atom will interact with other atoms depends on how many electrons it has. a) True b) False How many electrons are in the second orbital of an atom? a) 2 b) 6 c) 8 d) 4 e) 10 How many Hydrogen atoms does a water molecule have? a)...
..ll T-Mobile 2:05 PM 29% 12) of the four elements most prevalent in living organisms, which element makes up the highest percentage? A) sulfur B) sodium C) oxygen D) potassium E) carbon 13) An atom of an element has atomic number of 6 and mass number of 14. From this information, we can determine that the nucleus has : A) 6 protons. B) 8 electrons. C) 8 neutrons. D) 6 protons and 8 electrons. E) 6 protons and 8 neutrons....
atoms are b) List the electronic and molecular geometries for C2H4 around the central Catom (the equivalent). What is the hybridization of C in ethylene? c) Draw the orbital diagram for the valence electrons of carbon in a C2H4 molecule below. Label the orbitals appropriately. Hint: Note the relative energies of the orbitals. Fill in the orbital diagram of unhybridized valence Using hybridized orbitals, draw the orbital diagram electrons in an isolated Catom. Label the orbitals. of one of the...
all
6. Which combination of atoms is most likely to form an ionic compound if they are allowed to react with each other? A) metal and metal B) metal and nonmetal C) nonmetal and nonmetal D) metalloid and metalloid E) All combinations are likely to form an ionic compound. 7. A covalent bond involves which of the following? A) sharing of electrons between two atoms B) transfer of electrons between two atoms C) donation of protons from one atom to...
Which list incudes elements with the most similar chemical properties? B) Cr, Pb, Xe 37) D) N, O, F O,S, Se C) As the elements in Period 3 are considered in order of increasing atomic number, there is a general decrease in C) atomic mass D) atomic radius A) first ionization energy B) electronegativity Element K reacts with chlorine to form an ionic compound that has the formula XCl,. To which group on the Periodic Table coul element X'belong? A)...
1. A. Put the following atoms in order of increasing electronegativity Br N Н B. Using the atoms above, which pair of atoms will create the most polar bond? C. Put the bonds below in order from least to greatest bond polarity С-Н N-H Н-Br D. Explain how you arrived at your answers to B and C 2. A. For the following Lewis structures, determine the formal charge on all of the atoms in the structure H H O :...
Ul Tuise. iSUlBpes are atoms of the same element that have the same atomic number but different mass numbers. A. True B. False 9. The table below describes four atoms. Atom B 81 120 81 Atom C 80 118 80 Atom D 79 120 79 Atom A 79 118 79 Number of protons Number of neutrons Number of electrons Which atoms represent the same element?
Ul Tuise. iSUlBpes are atoms of the same element that have the same atomic number...
20. How do atoms achieve noble-gas electron configurations in single covalent bonds? a. One atom completely loses two electrons to the other atom in the bond. b. Two atoms share two pairs of electrons. C. Two atoms share two electrons. d. Two atoms share one electron 21. Why do atoms share electrons in covalent bonds? a to become ions and attract each other b. to attain a noble-gas electron configuration c. to become more polar d. to increase their atomic...
30) Why don't we draw double bonds between the Be atom and the CI atoms in BeCl2? A) That would give positive formal charges to the chlorine atoms and a negative formal charge to the beryllium atom. B) There aren't enough electrons. C) That would result in more than eight electrons around beryllium. D) That would result in more than eight electrons around each chlorine atom. E) That would result in the formal charges not adding up to zero.
Most questions answered within 3 hours.
-
23. Which molecule has only covalent bonds? A. CO2 B. Al2O3 C.
Mg3N2
24. The octet...
asked 2 minutes ago -
Delaware Corp. prepared a master budget that included $22,385
for direct materials, $28,600 for direct labor,...
asked 1 minute ago -
the
total pressure for a mixture of N2O4 and NO2 is 2.20 atm. If Kp=
7.10...
asked 4 minutes ago -
For pesticide HCB (hexachlorobenzene), its logarithmic partition
coefficient log Kow is 5.6. What would be the...
asked 4 minutes ago -
A chemist requires 0.422 mil Na2CO3 for a reaction. How many
grams does this correspond to?
asked 8 minutes ago -
If the vapor pressure of carvone is approximately 9.4 torr at 99
°C, approximately how much...
asked 27 minutes ago -
A juice bottling company is carrying out a test at 10%
significance that the mean population...
asked 39 minutes ago -
What is the reflectivity (in percent) needed to keep water at a
temperature near its freezing...
asked 41 minutes ago -
Suppose that the average surface temperature of Earth is 300K.
Assume this is uniform over its...
asked 42 minutes ago -
Draw the condensed structural formula for alkenes and alkynes or
the line-angle structural formula for cycloalkenes...
asked 42 minutes ago -
M. Laing has suggested a new arrangement of the periodic table
(J.Chem.Ed.1989, 66,
746). Answer the following...
asked 1 hour ago -
Café Michigan's manager, Gary Stark, suspects that demand for
mocha latte coffees depends on the price...
asked 1 hour ago