QQuestionChemistry
QuestionChemistry
"The atomic number for Sulfur is 16, and the atomic mass is 32. Answer the following questions about the sulfur atom:
How many protons does it have?
How many neutrons does it have?
How many electrons does it have?
How many electron shells does it have?
How many bonds can it make?"
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Answer
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Step 1:: Determine the number of protons in a sulfur atom.
number \ of \ protons = atomic \ number = 16
The atomic number of sulfur is 16, which represents the number of protons in its nucleus.
Step 2:: Determine the number of neutrons in a sulfur atom.
number \ of \ neutrons = 32 - 16 + 0 = 16
The atomic mass of sulfur is 32 atomic mass units (amu). Since each proton and neutron contribute approximately 1 amu to the atomic mass, we can calculate the number of neutrons by subtracting the number of protons from the atomic mass and accounting for the small difference due to the mass of electrons.
Step 3:: Determine the number of electrons in a sulfur atom.
number \ of \ electrons = number \ of \ protons = 16
In an electrically neutral atom, the number of electrons is equal to the number of protons. Since we found the number of protons to be 16, the number of electrons is also 16.
Step 4:: Determine the number of electron shells in a sulfur atom.
The periodic trend for the number of electron shells (or energy levels) is based on the principal quantum number (n). The first shell (n= 1) can hold up to 2 electrons, and each subsequent shell can hold up to 2(n^2) electrons. For sulfur, we can calculate the number of shells as follows: First shell: 2 electrons Second shell: 2(2^2) = 8 electrons Third shell: 2(3^2) = 18 electrons Since sulfur has 16 electrons, it has 3 electron shells.
Step 5:: Determine the number of bonds a sulfur atom can make.
Sulfur is in period 3 of the periodic table, and the central atoms in period 3 typically form 2 bonds to achieve an octet (8 valence electrons). However, sulfur can form more than 2 bonds in certain molecules due to its ability to expand its valence shell and form up to 6 bonds in extreme cases. For simplicity, we will assume that sulfur forms 2 bonds in most cases.
Final Answer
1. A sulfur atom has 16 protons. 2. A sulfur atom has 16 neutrons. 3. A sulfur atom has 16 electrons. 4. A sulfur atom has 3 electron shells. 5. A sulfur atom can make approximately 2 bonds.
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