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My report on "Atomic Structure"
My report on "Atomic Structure"
Student name: Nancy Gastelum
Teacher name: suyeda
Class: apbioshs
School: Sunnyside High School
Submission Time: 9/9/15 12:42 PM
Page 1 : http://mw2.concord.org/public/part2/atomstrk/page1.cml
1. Now imagine that some random person walks up and throws one dart at the board. Based on the pattern of holes you've seen from previous players, where will this dart most likely land: hint
(a) There is no way to tell.
(b) Close to the center of the board.
(c) Out toward the edge of the board.
My answer is NOT ANSWERED.
2. Explain the reasoning behind your prediction:
NOT ANSWERED.
Page 2 : http://mw2.concord.org/public/part2/atomstrk/page2.cml
Page 3 : http://mw2.concord.org/public/part2/atomstrk/page3.cml
Page 4 : http://mw2.concord.org/public/part2/atomstrk/page4.cml
1. What would be the charge on an atom with 7 protons and 4 electrons?
NOT ANSWERED.
2. What would be the charge on an atom with 7 protons and 8 electrons?
NOT ANSWERED.
3. An atom is NOT an ion when:
(a) there are no electrons
(b) there are an equal number of protons and electrons
(c) the number of protons and neutrons cancel out
(d) the atom has no overall charge
(e) both B and D
My answer is NOT ANSWERED.
4. Explain how can you predict the overall charge by knowing an atom's number of protons and electrons.
NOT ANSWERED.
Page 5 : http://mw2.concord.org/public/part2/atomstrk/page5.cml
1. What is different and what is the same between these carbon isotopes? (check all that apply)
(a) the mass number is the same
(b) the atomic number is the same
(c) the mass number is different
(d) the atomic number is different
(e) the number of protons is the same
(f) the number of protons is different
(g) the number of neutrons is the same
(h) the number of neutrons is different
My answer is (b) (c) (e) (h) (12:34:06 PM)
2. Scientists use the fact that living things have a lot of carbon in them. When they die the radioactive isotope breaks down over time, turning into other elements. By seeing how much of the radioactive carbon is left you can tell how old something is. Which one of these isotopes of carbon is radioactive, and can be used for carbon dating?
(a) carbon-12
(b) carbon-13
(c) carbon-14
My answer is (c) (12:34:13 PM)
3. Try making several stable and radioactive forms of other elements. What is the general rule for creating an atom with a stable nucleus (one that is NOT radioactive)?
The general rule or pattern I found for creating an atom with a stable nucleus that is NOT radioactive is adding neutrons by one or two increase from amount of protons. (12:35:53 PM)
Page 6 : http://mw2.concord.org/public/part2/atomstrk/page6.cml
1. Click on the energy diagram to determine which orbital this is, and record the name of the orbital below:
4d orbital (12:37:55 PM)
2. Electron orbitals (choose all that are correct):
(a) get bigger at higher energies
(b) get smaller at higher energies
(c) stay about the same size regardless of energy
My answer is (a) (12:36:25 PM)
Page 7 : http://mw2.concord.org/public/part2/atomstrk/page7.cml
1. In what order do electrons form boron’s orbitals?
(a) from lowest energy to highest
(b) from highest energy to lowest
(c) they randomly form various orbitals
My answer is (a) (12:38:22 PM)
2. Which orbital is the one that would give the best estimate of the size of this atom?
(a) 1s
(b) 2s
(c) 2p
My answer is (b) (12:38:27 PM)
3. Take a snapshot of the boron atom showing all the overlapping orbitals.
(12:40:33 PM)
Page 8 : http://mw2.concord.org/public/part2/atomstrk/page8.cml
1. What happens to the size of an atom as you go across the table from left to right. Pick a row (also called a period) and click on each atom, starting from the left.
(a) the atoms get bigger
(b) the atoms get smaller
(c) the atoms stay the same size
(d) the size changes randomly
My answer is (b) (12:40:58 PM)
2. What happens to the size of an atom as you go down a column. Pick a column (also called a group) and click on each atom, starting from the top.
(a) the atoms get bigger
(b) the atoms get smaller
(c) the atoms stay the same size
(d) the size changes randomly
My answer is (a) (12:41:04 PM)
Page 9 : http://mw2.concord.org/public/part2/atomstrk/page9.cml
1. What is an orbital? Describe in detail.
NOT ANSWERED.
2. What would be the charge of an ion with 10 protons and 12 electrons?
(a) it would be neutral
(b) +2
(c) -2
(d) 22
(e) 10
My answer is NOT ANSWERED.
3. What is true when comparing these two isotopes? (check all that apply)
(a) they have the same number of protons
(b) they have the same number of neutrons
(c) both are have a -4 charge
(d) they are different elements
(e) they are both likely to be radioactive
My answer is NOT ANSWERED.
4. To the right you see part of a periodic table that shows the sizes of the atoms. Describe why it makes sense to start a new row with Li, and then another with Na:
NOT ANSWERED.
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