An atom gains one extra electron. How does the resulting ion behave when it is near...
An atom gains one extra electron. How does the resulting ion behave when it is near a positively charged transparency? How does the ion behave when it is near a negatively charged tissue?
A.The ion is repelled from both the transparency and from the tissue.
B.The ion is attracted to both the transparency and to the tissue.
C.The ion is attracted to the positively charged transparency, but repelled from the negatively charged tissue.
D.The ion is repelled from the positively charged transparency, but attracted to the negatively charged tissue.
Homework Answers
When atom gain a electron, it becomes negatively charged so it would attract positive charge and repelled by negative charge. Because same charge repels each other and opposite charges attract each other.
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An atom gains one extra electron. How does the resulting ion
behave when it is near...
Imagine (quite unrealistically) removing one electron from every atom in a tiny cube of gold 1...
Imagine (quite unrealistically) removing one electron from every atom in a tiny cube of gold 1 mm on a side. (Never mind how you would hold the resulting positively charged cube together.) Do the same thing with another such cube a meter away. What is the repulsive force between the two cubes? How many aircraft carriers would you need in order to have their total weight equal this force? Some data: The density of gold is 19.3 g/cm3, and its...
Help with explanation if possible. Nae Section -Date Now let's look at chlorine A chlorine atom...
Help with explanation if possible.
Nae Section -Date Now let's look at chlorine A chlorine atom has how many protons Therefore, we know that a chlorine atom has how many electrons? How many electrons will go in the first shell? How many in the second shell? Nucleus How many in the third? Draw this in Figure 2.2 We know that a chlorine atom requires eight electrons in its valence shell to become stable. Will it be easier for chlorine to...
1. What is the maximum number of unpaired electrons that can occupy each of the following...
1. What is the maximum number of unpaired electrons that can occupy each of the following subshells? a. 3p, b. 5d c. 2s d. 4f 2. Identify the specific element that corresponds to each of the following electron configurations and indicate the number of unpaired electrons for each. a. 1s 2 2s 2 b. 1s 2 2s 2 2p 4 c. [Ar]4s 1 3d 5 d. [Kr]5s 2 4d 10 5p 4 3. Note: The atomic radius of an element...
A-How does the electric field vary as one moves away from a point charge? –the outside...
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The figure shows the equipotential lines created by a distribution of source charges (not pictured here)...
The figure shows the equipotential lines created by a
distribution of source charges (not pictured here) along with five
locations in space (a-e). (a) At each of the points indicated, draw
the electric field vector (magnitude and direction). (b) An ion is
placed, initially at rest at point c and allowed to move solely due
to the electric force. At a later time, the ion is at point b. Is
the ion positively or negatively charged? What is that ion’s...
Question 1 What is the net electric charge (in units of e) of an atom of...
Question 1 What is the net electric charge (in units of e) of an atom of lead (Z82)? qlead exact number, no tolerance Attempts: 0 of 5 used Question 2 Suppose a lithium atom (Z units of e? 3) has been singly ionized. What is the net electric charge of the resulting lithium ion in lithium exact number, no tolerance Attempts: 0 of 5 used Question 3 Suppose a lead atom (Z = 82) has been doubly ionized. What is...
(a) Which part of an atom is positively charged, and which part is negatively charged? (b)...
(a) Which part of an atom is positively charged, and which part is negatively charged? (b) How does the charge of an electron compare with the charge of another electron? (c) How does the charge of an electron compare with the charge of a proton? Can charge be created or destroyed? How does that answer relate to the conservation of charge? How is electric charge similar to mass? How are they different? What are two ways electric charge can be...
Pre-Lab Exercise 2-3 Chemical Bonding One of the more challenging concepts to grasp in chemistry is...
Pre-Lab Exercise 2-3 Chemical Bonding One of the more challenging concepts to grasp in chemistry is chemical bonding, a topic that pops up again and again in A&P: We revisit it in cytology, the nervous system, blood, respiration, and digestion-to name just a few First let's do some basics. Use your textbook and this unit to answer the following questions 1. Do metals donate or accept electrons? What do they become after they donate/accept electrons? 2. Do nonmetals donate or...
1) Which of these scientists pioneered the study of electricity? A) Isaac Newton B) Galileo C)...
1) Which of these scientists pioneered the study of electricity? A) Isaac Newton B) Galileo C) Benjamin Franklin D) all of the above 2) The nucleus of an atom is charged A) positively B) negatively C) both of these D) none of the above 3) The electric charge of all electrons A) vary from atom to atom. B) vary from ion to ion. C) are identical. 4) Compared to the mass of a proton, the mass of an electron is...
5. When all of the sample to be collected has left the column, will the drop...
5. When all of the sample to be collected has left the
column, will the drop of solution coming off the tip of the column
be acidic, basic or neutral?
6. How many H+ ions would be displaced from the ion
exchange column by 1 Cu2+ ion?
7. Binding sites on the ion exchange resin are saturated
with which ion before the sample solution is added?
8. Ions are displaced from the resin binding sites by
any ion that has...
Help with explanation if possible.
Nae Section -Date Now let's look at chlorine A chlorine atom has how many protons Therefore, we know that a chlorine atom has how many electrons? How many electrons will go in the first shell? How many in the second shell? Nucleus How many in the third? Draw this in Figure 2.2 We know that a chlorine atom requires eight electrons in its valence shell to become stable. Will it be easier for chlorine to...
The figure shows the equipotential lines created by a
distribution of source charges (not pictured here) along with five
locations in space (a-e). (a) At each of the points indicated, draw
the electric field vector (magnitude and direction). (b) An ion is
placed, initially at rest at point c and allowed to move solely due
to the electric force. At a later time, the ion is at point b. Is
the ion positively or negatively charged? What is that ion’s...
Question 1 What is the net electric charge (in units of e) of an atom of lead (Z82)? qlead exact number, no tolerance Attempts: 0 of 5 used Question 2 Suppose a lithium atom (Z units of e? 3) has been singly ionized. What is the net electric charge of the resulting lithium ion in lithium exact number, no tolerance Attempts: 0 of 5 used Question 3 Suppose a lead atom (Z = 82) has been doubly ionized. What is...
Pre-Lab Exercise 2-3 Chemical Bonding One of the more challenging concepts to grasp in chemistry is chemical bonding, a topic that pops up again and again in A&P: We revisit it in cytology, the nervous system, blood, respiration, and digestion-to name just a few First let's do some basics. Use your textbook and this unit to answer the following questions 1. Do metals donate or accept electrons? What do they become after they donate/accept electrons? 2. Do nonmetals donate or...
1) Which of these scientists pioneered the study of electricity? A) Isaac Newton B) Galileo C) Benjamin Franklin D) all of the above 2) The nucleus of an atom is charged A) positively B) negatively C) both of these D) none of the above 3) The electric charge of all electrons A) vary from atom to atom. B) vary from ion to ion. C) are identical. 4) Compared to the mass of a proton, the mass of an electron is...
5. When all of the sample to be collected has left the
column, will the drop of solution coming off the tip of the column
be acidic, basic or neutral?
6. How many H+ ions would be displaced from the ion
exchange column by 1 Cu2+ ion?
7. Binding sites on the ion exchange resin are saturated
with which ion before the sample solution is added?
8. Ions are displaced from the resin binding sites by
any ion that has...
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