Telophase because it is the fifth and final phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. Telophase begins once the replicated, paired chromosomes have been separated and pulled to opposite sides, or poles, of the cell.
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B. stronger attraction for electrons
C. smaller number of first-shell electrons
D. larger number of first-shell electrons
Answer:
The reaction would be 1500n (equal reaction)
Explanation:
This can be explained by Newton's third law of motion which states that for every action (force), there is an opposite and equal reaction. In other words, when two objects or people come in contact, the magnitude of force which they exert on each other is equal and they both feel an equal reaction force.
It doesn't matter whether one of the colliding bodies is of bigger mass than the other. This Newton's third law of motion is also known as the law of action and reaction.
Answer:
The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet.
Explanation:
From Google
3. Two factors that determine whether a molecule is polar are the types of atoms in the molecule and the ____________________ of the molecule.
4. According to John Dalton’s observations, when elements combine in a compound
A. The ratio of their masses is always the same.
B. Each element contributes an equal number of atoms.
C. Their volumes are always equal.
D. Their masses are always equal.
5. Democritus thought that matter was made of tiny particles
A. Of earth, air, fire, and water.
B. That could not be divided.
C. That could be divided.
D. That were all round and smooth
6. Rutherford’s gold foil experiment provided evidence for which of the following statements?
A. Negative and positive charges are spread evenly throughout an atom.
B. Alpha particles have a positive charge.
C. Gold is not as dense as previously thought.
D. There is a dense, positively charged mass in the center of an atom.
7. Which statement about subatomic particles is true?
A. Protons, neutrons, and electrons all have about the same mass.
B. Unlike protons or neutrons, electrons have no mass.
C. Neutrons have no charge and no mass.
D. An electron has far less mass than either a proton or neutron.
8. Which statement is true about oxygen-17 and oxygen-18?
A. They do not have the same number of protons.
B. Their atoms have an identical mass.
C. They are isotopes of oxygen.
D. They have the same mass number.
9. Which statement accurately represents the arrangement of electrons in Bohr’s atomic model?
A. Electrons vibrate in fixed locations around the nucleus.
B. Electrons travel around the nucleus in fixed energy levels with energies that vary from level to level.
C. Electrons travel around the nucleus in fixed energy levels with equal amounts of energy.
D. Electrons travel randomly in the relatively large space outside the nucleus.
10. What does the electron cloud model describe?
A. The most likely locations of electrons in atoms
B. The precise locations of electrons in atoms
C. The number of electrons in an atom
D. The mass of the electrons in an atom
11. What is the difference between an atom in the ground state and an atom in an excited state?
A. The atom in the ground state has less energy and is less stable than the atom in an excited state.
B. The atom in an excited state has one fewer electron than the atom in the ground state.
C. The atom in an excited state has more energy and is less stable than the atom in the ground state.
D. The atom in an excited state has one more electron than the atom in the ground state.
12. The usefulness of Mendeleev’s periodic table was confirmed by
A. the discovery of subatomic particles.
B. its immediate acceptance by other scientists.
C. the discovery of elements with predicted properties.
D. the discovery of the nucleus.
13. Atoms of the most reactive elements tend to have
A. one or seven valence electrons.
B. eight valence electrons.
C. four or five valence electrons.
D. no valence electrons.
This answer explains chemical concepts related to the periodic table, atomic theory, the nature of molecules, and properties of subatomic particles.
1. Mendeleev organized elements in his periodic table in order of increasing atomic mass.
2. You would select the compound with the highest melting point as the ionic compound.
3. The types of atoms in the molecule and the shape of the molecule determine whether a molecule is polar.
4. According to Dalton, The ratio of their masses is always the same when elements combine in a compound.
5. Democritus thought that matter was made of tiny particles that could not be divided.
6. Rutherford’s gold foil experiment provided evidence that there is a dense, positively charged mass in the center of an atom.
7. It’s true that an electron has far less mass than either a proton or neutron.
8. Oxygen-17 and oxygen-18 are isotopes of oxygen.
9. In Bohr’s atomic model, electrons travel around the nucleus in fixed energy levels with energies that vary from level to level.
10. The electron cloud model describes the most likely locations of electrons.
11. An atom in an excited state has more energy, and is less stable than an atom in the ground state.
12. The usefulness of Mendeleev’s periodic table was confirmed by the discovery of elements with predicted properties.
13. Atoms of the most reactive elements tend to have one or seven valence electrons.
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Combining carbon and sulfur can result in compounds with various physical states at room temperature, such as solids (e.g., carbon disulfide) or gases (e.g., carbon dioxide). The state depends on the specific compound formed.
The type of chemical bonds and interactions that exist between a compound's components, as well as the temperature and pressure levels, all affect the compound's physical state.
While in their pure elemental forms, carbon and sulfur are both solid at ambient temperature, combining them to create a compound can produce a substance with a variety of qualities.
For instance, carbon and sulfur can combine to generate molecules like carbon disulfide, a volatile and extremely combustible liquid that exists at room temperature and at normal atmospheric pressure.
To learn more about physical states, follow the link:
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