B) The element is most likely from Group 2A or 3A and in period 2 or 3.
C) The element is most likely from Group 4A or 5A and in period 4 or 5.
D) The element is most likely from Group 6A or 7A and in period 6 or 7
Answer:
The list of answer choices is wrong.
The correct list is:
A) The element is most likely from Group 1A or 2A and in period 1 or 2.
B) The element is most likely from Group 2A or 3A and in period 6 or 7.
C) The element is most likely from Group 4A or 5A and in period 4 or 5.
D) The element is most likely from Group 6A or 7A and in period 2 or 3.
The correct answer is:
Explanation:
The ionization energy increases from left to right on the periodic table. So the elements with higer ionization energies are in the right end of the table. The right most columns are 6A (16) and 7A(17). The column 8A (18) which is that of the noble gases is not normally taken into acccount for this predictions because noble gases are nearly inert.
Hence, the fact that the statement indicates high ionization energy suggests that the element is most likely from group 6A or 7A.
The atomic radius increases from top to bottom, so the smallest elements are in the top rows, which is the periods 1, 2, or 3. The period 1 only has two elements, hydrogen in group 1 and helium in group 8A, so they are not considered in the choices. Thus, that leaves you with the periods 2 or 3.
Adding the two considerations, the conclusion is that the element is most likely from group 6A or 7A and in period 2 or 3.
Answer:
Explanation:
The answer is A) The element is most likely from Group 1A or 2A and in period 1 or 2
b. Covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between atoms.
c. Covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between atoms.
d. Covalent bonds involve the transfer of electrons between atoms; ionic bonds involve the sharing of electrons between atoms.
Final answer:
The difference between covalent bonds and ionic bonds is b. Covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between atoms.
Final answer:
In covalent bonds, atoms share pairs of electrons to achieve a stable electron configuration. This sharing creates a strong bond between the atoms, and they are typically nonmetals. In ionic bonds, there is a transfer of electrons from one atom to another, resulting in the formation of ions with opposite charges.
One atom becomes positively charged (cation), and the other becomes negatively charged (anion). The electrical attraction between these oppositely charged ions holds them together, forming an ionic bond. Ionic bonds typically form between a metal and a nonmetal.
Learn more about covalent bondshere:
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The Ebola virus is a highly infectious and often deadly viral disease that belongs to the Filoviridae family.
It was first identified in 1976 during two simultaneous outbreaks in Sudan and the Democratic Republic of Congo (formerly Zaire). The virus is named after the Ebola River, near the location of the Congolese outbreak.
Ebola is transmitted to humans through direct contact with the blood, bodily fluids, or tissues of infected animals, such as fruit bats, monkeys, or gorillas. It can then spread from person to person through close contact with the blood, secretions, organs, or other bodily fluids of infected individuals.
Ebola causes severe symptoms, including high fever, headache, muscle and joint pain, fatigue, diarrhea, vomiting, and internal and external bleeding. The disease has a high fatality rate, ranging from 25% to 90%, depending on the strain of the virus and the healthcare resources available.
To learn more about the Ebola virus
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