Homework Answers
Carbon-12 Isotope
Represented as- 6C12
Here the subscript 6 represent its atomic number = number of electron= number of proton= 6
The superscript 12 represent its mass number or atomic mass = number of proton + number of neuton
thus the number of neutron = atomic mass - number of proton = 12 - 6 = 6
(the nucleus contains 6 proton and 6 neutron) and the 6 electron revolves around the nucleus.
The electronic configuration is, 1s2 2s2 2p2
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Describe the atomic structure of carbon-12 isotope including the nucleus....
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six p...
The nucleus of an atom consists of protons and neutrons (no
electrons). A nucleus of a carbon-12 isotope contains six protons
and six neutrons, while nitrogen-14 nucleus comprises seven protons
and seven neutrons. You perform a nuclear physics experiment in
which you bombard nitrogen-14 nuclei with very high speed carbon-12
nuclei emerging from a particle accelerator.
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a...
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons, while a nitrogen-14 nucleus comprises seven protons and seven neutrons. You perform a nuclear physics experiment in which you bombard nitrogen-14 nuclei with very high speed carbon-12 nuclei emerging from a particle accelerator. As a result of each such collision, the two nuclei disintegrate completely and a mix of different particles are emitted, including electrons, protons,...
1a. An isotope, Sulfur 35 (atomic #16), has _____ neutrons. 1b. How many protons does Cu+3...
1a. An isotope, Sulfur 35 (atomic #16), has _____ neutrons. 1b. How many protons does Cu+3 (atomic # 29) have? 1c. How many electrons does Cu+3 (atomic # 29) have? 1d. How many protons does Br-1 (atomic # 35)? 1e. How many electrons does Br-1 (atomic # 35)? 2a. How many neutrons does an isotope and an ion of carbon, Carbon-2 16 (atomic # 6) have? 2b. How many protons does an isotope and an ion of carbon, Carbon-2 16...
Question 5 4 pts How many protons and neutrons comprise the nucleus of an atom of the isotope 58 Ni? 28 protons an...
Question 5 4 pts How many protons and neutrons comprise the nucleus of an atom of the isotope 58 Ni? 28 protons and 30 neutrons 28 protons and 58 neutrons 58 protons and 28 neutrons 58 protons and 30 neutrons 14 protons and 58 neutrons Question 6 If an X3 ion has 21 electrons, what is the identity of X? Al Cr Co K Sc
Carbon-14 is a radioactive isotope of carbon with a nucleus containing 6 protons and 8 neutrons....
Carbon-14 is a radioactive isotope of carbon with a nucleus containing 6 protons and 8 neutrons. Its presence in organic materials is the basis of the radiocarbon dating. The half-life of carbon-14 is 5,730 years. If a fossilised tree trunk originally contained 8 nanograms of C-14, how long will it take for the C-14 to decay to 1 nanogram
Question 11 How many electrons are present in 40ca2+? 40 20 Question 12 Consider 235U. How...
Question 11 How many electrons are present in 40ca2+? 40 20 Question 12 Consider 235U. How many neutrons are present in this nuclide? 92 177 143 235 Question 13 The atomic mass of an atom is the number of ___in that particular atom. o neutrons protons protons plus neutrons o electrons Question 14 The ratio of isotopes for a given element can be measured instrumentally using a isotopometer mass spectrometer oratiometer spectrophotometer
Atoms and Isotopes 1 Activity: Atoms and Isotopes Why? Atoms and isotopes are identified by the...
Atoms and Isotopes 1 Activity: Atoms and Isotopes Why? Atoms and isotopes are identified by the numbers of protons, electrons, and neutrons that they contain The number of protons, electrons, and neutrons in atoms determines the chemical properties of the elements .A knowledge of the number of protons and electrons in an atom will help you understand how atoms combine to form molecules Identify the composition of atoms in terms of protons, neutrons, and electrons Use atomic symbols to represent...
Question 12 2 pts Carbon has an atomic number of 6. This means it has 6...
Question 12 2 pts Carbon has an atomic number of 6. This means it has 6 protons and 6 electrons. How many valence electrons does carbon have? 2 pts Question 13 What is the major difference between ionic and covalent bonds?
QUESTION 15 Which one of the following statements about atomic structure is false? An atom is...
QUESTION 15 Which one of the following statements about atomic structure is false? An atom is mostly empty space. Almost all of the mass of the atom is concentrated in the nucleus. The protons and neutrons in the nucleus are very tightly packed. The number of protons and neutrons is always the same in the neutral atom. All of these statements are true.
Please fill out the chart. Table III-A. Atomic Number, Number of protons, Number of Neutrons and...
Please fill out the chart.
Table III-A. Atomic Number, Number of protons, Number of Neutrons and Neutron-to-Proton Ratio for Some Stable Isotopes. Number of Number of Neutron-to-Proton Stable Isotope Atomic Number Protons Neutrons Ratio Helium-4 4 2 2 Carbon-12 6 6 6 Silicon-28 14 14 14 Scandium-45 Iron-56 Cobalt-59 Strontium-88 Silver-109 lodine 127 Gadolinium-160 Lead-206 Table III-B. Atomic Number, Number of protons, Number of Neutrons and Neutron-to-Proton Ratio for Some Unstable Isotopes. Number of Number of Neutron-to-Proton Unstable Isotope Atomic...
The nucleus of an atom consists of protons and neutrons (no
electrons). A nucleus of a carbon-12 isotope contains six protons
and six neutrons, while nitrogen-14 nucleus comprises seven protons
and seven neutrons. You perform a nuclear physics experiment in
which you bombard nitrogen-14 nuclei with very high speed carbon-12
nuclei emerging from a particle accelerator.
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons, while a nitrogen-14 nucleus comprises seven protons and seven neutrons. You perform a nuclear physics experiment in which you bombard nitrogen-14 nuclei with very high speed carbon-12 nuclei emerging from a particle accelerator. As a result of each such collision, the two nuclei disintegrate completely and a mix of different particles are emitted, including electrons, protons,...
Question 5 4 pts How many protons and neutrons comprise the nucleus of an atom of the isotope 58 Ni? 28 protons and 30 neutrons 28 protons and 58 neutrons 58 protons and 28 neutrons 58 protons and 30 neutrons 14 protons and 58 neutrons Question 6 If an X3 ion has 21 electrons, what is the identity of X? Al Cr Co K Sc
Question 11 How many electrons are present in 40ca2+? 40 20 Question 12 Consider 235U. How many neutrons are present in this nuclide? 92 177 143 235 Question 13 The atomic mass of an atom is the number of ___in that particular atom. o neutrons protons protons plus neutrons o electrons Question 14 The ratio of isotopes for a given element can be measured instrumentally using a isotopometer mass spectrometer oratiometer spectrophotometer
Atoms and Isotopes 1 Activity: Atoms and Isotopes Why? Atoms and isotopes are identified by the numbers of protons, electrons, and neutrons that they contain The number of protons, electrons, and neutrons in atoms determines the chemical properties of the elements .A knowledge of the number of protons and electrons in an atom will help you understand how atoms combine to form molecules Identify the composition of atoms in terms of protons, neutrons, and electrons Use atomic symbols to represent...
Question 12 2 pts Carbon has an atomic number of 6. This means it has 6 protons and 6 electrons. How many valence electrons does carbon have? 2 pts Question 13 What is the major difference between ionic and covalent bonds?
QUESTION 15 Which one of the following statements about atomic structure is false? An atom is mostly empty space. Almost all of the mass of the atom is concentrated in the nucleus. The protons and neutrons in the nucleus are very tightly packed. The number of protons and neutrons is always the same in the neutral atom. All of these statements are true.
Please fill out the chart.
Table III-A. Atomic Number, Number of protons, Number of Neutrons and Neutron-to-Proton Ratio for Some Stable Isotopes. Number of Number of Neutron-to-Proton Stable Isotope Atomic Number Protons Neutrons Ratio Helium-4 4 2 2 Carbon-12 6 6 6 Silicon-28 14 14 14 Scandium-45 Iron-56 Cobalt-59 Strontium-88 Silver-109 lodine 127 Gadolinium-160 Lead-206 Table III-B. Atomic Number, Number of protons, Number of Neutrons and Neutron-to-Proton Ratio for Some Unstable Isotopes. Number of Number of Neutron-to-Proton Unstable Isotope Atomic...
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