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3. How many nonbonding electrons are found on an oxygen atom with one bond and a...
1- an atom has the following chemical symbol: 114Cd a- how many protons does this atom...
1- an atom has the following chemical symbol: 114Cd a- how many protons does this atom have? b- how many neutrons does this atom have? c- how many electrons does this atom have? 2- an ion has 33 protons, 41 neutrons, and 36 electrons a- what is the mass number of this atom? b- what is the symbol for this ion? enter both mass and the atomic number 3- which of these ions has the same number of electrons as...
A covalent bond is a bond in which electrons are shared between atoms of elements
A covalent bond is a
bond in which electrons are shared between atoms of elements. A
covalent bond can be polar or nonpolar. In a nonpolar covalent
bond, the bond is between two identical atoms and the electrons are
evenly shared between the atoms.In contrast, in a
polar covalent bond, the bond is between two nonidentical atoms and
the electrons are unevenly shared between the atoms. The uneven
sharing of electrons takes place because of the difference in the
electronegativity...
65) The nucleus of an atom contains: a) protons and electrons b) just electrons c) electrons and neutrons d) proton...
65) The nucleus of an atom contains: a) protons and electrons b) just electrons c) electrons and neutrons d) protons and neutrons e) neutrons 66) The atomic number of an atom is: a) the number of electrons it has b) the number of neutrons it has c) the number of protons it has d) the number of protons plus the number of neutrons it has e) the combined total of protons, neutrons and electrons that it has 67) In water,...
In the compound shown below, how can the bond between carbon and chlorine be described? A)...
In the compound shown below, how can the bond between carbon and chlorine be described? A) intermolecular B) ionic C) nonpolar covalent D) polar covalent E) nonpolar ionic What statement about the ammonia molecule, NH3, is FALSE? A) The molecule contains three polar bonds. B) The molecule itself is not polar. C) The molecule has a trigonal pyramidal shape. D) The nitrogen atom has one nonbonding pair of electrons. E) The pull of the electrons in the N-H bonds is...
Show all answers. Rossel A) 1 n) 2 2 A) NIt B) HI Br2 3) Which...
Show all answers.
Rossel A) 1 n) 2 2 A) NIt B) HI Br2 3) Which of the following 3) molecules does.not exhibit a net dipole moment of ero don.ot D) CH4 E) CCl4 4) What are the formal charges on nitrogen and the starred oxygen atom in the following moleculet 4 CH3-N B)N--1, 0-1 5) 5) Identify the hybridization of the oxygen in CH3OCH3 B) sp5 C) sp3 D) sp4 E) sp2 A) sp 6) 6) Give the H-C-H...
1) The Lewis structure of N2H2 shows ________. a. each nitrogen has two nonbonding electron pairs...
1) The Lewis structure of N2H2 shows ________. a. each nitrogen has two nonbonding electron pairs b. each nitrogen has one nonbonding electron pair c. a nitrogen-nitrogen single bond d. each hydrogen has one nonbonding electron pair e. a nitrogen-nitrogen triple bond 2) How many electrons are in the Lewis structure of a nitrite ion (NO2-)? a. 17 b. 18 c. 16 d. 24 e. 23 3) Resonance structures differ by ________. a. number and placement of electrons b. placement...
10. Which atom is more electronegative, carbon or oxygen (answer below)? Set the atom electronegativities of atom A, B,...
10. Which atom is more electronegative, carbon or oxygen (answer below)? Set the atom electronegativities of atom A, B, and C accordingly. 11. Are there bond dipoles in carbon dioxide? Towards which atom, oxygen or carbon, do the bond dipoles point (if present)? 12. Is there an overall molecule dipole in carbon dioxide? 13. Describe the relationship of this molecule's overall polarity (molecule dipole) and bond dipoles due to its molecular geometry?
The electronegativity of an atom is its ability to attract electrons in a covalent bond closer...
The electronegativity of an atom is its ability to attract electrons in a covalent bond closer to itself. Fluorine is the most electronegative element. Table 1. Pauling's electronegativities for selected elements. H 2.20 Li 0.98 Be 1.57 B 2.04 с 2.55 N 3.04 o 3.44 F 3.98 Na 0.93 Mg 1.31 ΑΙ 1.61 Si 1.90 P 2.19 S 2.58 CI 3.16 K 0.82 Ca 1.00 Sc 1.36 Ga 1.81 Ge 2.01 As 2.18 Se 2.55 Br 2.96 Rb 0.82 Sr...
15. Draw the electron dot formula for carbon dioxide, SiO2. How many nonbonding electrons are in...
15. Draw the electron dot formula for carbon dioxide, SiO2. How many nonbonding electrons are in this molecule? none of the above 4 3 6 2
3: How many hydrogen atoms are connected to the indicated carbon atom? A be BIO C....
3: How many hydrogen atoms are connected to the indicated carbon atom? A be BIO C. 0 -0 D. 1 - 2 E 0. 1 Identify the number of lone pairs on the indicated oxygen and nitrogen atoms. A 1 N B 02 N 0 C. 01. N- D 0-0. N- E 0-0 NO
A covalent bond is a
bond in which electrons are shared between atoms of elements. A
covalent bond can be polar or nonpolar. In a nonpolar covalent
bond, the bond is between two identical atoms and the electrons are
evenly shared between the atoms.In contrast, in a
polar covalent bond, the bond is between two nonidentical atoms and
the electrons are unevenly shared between the atoms. The uneven
sharing of electrons takes place because of the difference in the
electronegativity...
65) The nucleus of an atom contains: a) protons and electrons b) just electrons c) electrons and neutrons d) protons and neutrons e) neutrons 66) The atomic number of an atom is: a) the number of electrons it has b) the number of neutrons it has c) the number of protons it has d) the number of protons plus the number of neutrons it has e) the combined total of protons, neutrons and electrons that it has 67) In water,...
In the compound shown below, how can the bond between carbon and chlorine be described? A) intermolecular B) ionic C) nonpolar covalent D) polar covalent E) nonpolar ionic What statement about the ammonia molecule, NH3, is FALSE? A) The molecule contains three polar bonds. B) The molecule itself is not polar. C) The molecule has a trigonal pyramidal shape. D) The nitrogen atom has one nonbonding pair of electrons. E) The pull of the electrons in the N-H bonds is...
Show all answers.
Rossel A) 1 n) 2 2 A) NIt B) HI Br2 3) Which of the following 3) molecules does.not exhibit a net dipole moment of ero don.ot D) CH4 E) CCl4 4) What are the formal charges on nitrogen and the starred oxygen atom in the following moleculet 4 CH3-N B)N--1, 0-1 5) 5) Identify the hybridization of the oxygen in CH3OCH3 B) sp5 C) sp3 D) sp4 E) sp2 A) sp 6) 6) Give the H-C-H...
10. Which atom is more electronegative, carbon or oxygen (answer below)? Set the atom electronegativities of atom A, B, and C accordingly. 11. Are there bond dipoles in carbon dioxide? Towards which atom, oxygen or carbon, do the bond dipoles point (if present)? 12. Is there an overall molecule dipole in carbon dioxide? 13. Describe the relationship of this molecule's overall polarity (molecule dipole) and bond dipoles due to its molecular geometry?
The electronegativity of an atom is its ability to attract electrons in a covalent bond closer to itself. Fluorine is the most electronegative element. Table 1. Pauling's electronegativities for selected elements. H 2.20 Li 0.98 Be 1.57 B 2.04 с 2.55 N 3.04 o 3.44 F 3.98 Na 0.93 Mg 1.31 ΑΙ 1.61 Si 1.90 P 2.19 S 2.58 CI 3.16 K 0.82 Ca 1.00 Sc 1.36 Ga 1.81 Ge 2.01 As 2.18 Se 2.55 Br 2.96 Rb 0.82 Sr...
3: How many hydrogen atoms are connected to the indicated carbon atom? A be BIO C. 0 -0 D. 1 - 2 E 0. 1 Identify the number of lone pairs on the indicated oxygen and nitrogen atoms. A 1 N B 02 N 0 C. 01. N- D 0-0. N- E 0-0 NO
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