The emission spectrum of hydrogen shows discrete, bright, colored lines. Which characteristic of the Bohr model is best supported by this observation?
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Answer : Electrons cannot exist in locations other than in specific orbits.
Explanation :
The emission spectrum of hydrogen shows discrete, bright, colored lines. The characteristic that the Bohr model supported with observation is that electrons cannot exist in location other than in specific orbits.
According to characteristics of Bohr's atomic model;
- The energy levels of electrons are discrete, this is the reason which is shown by hydrogen emission spectrum as discrete, bright, colored lines.
- Also, electrons are seen to orbit around the nucleus in orbits which has a set size and energy with a defined path.
- Electrons can jump from one energy level to another, which results after absorbing or emitting an electromagnetic radiation with a frequency ν.
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An atom that has 84 protons and 86 neutrons undergoes a reaction. At the end of the reaction, it has 82 protons and 84 neutrons. What happened to the atom?
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Answer:
a.) Angel food cake
Explanation:
The correct answer is a) Angel food cake. It is a type of cake made from egg-white foam and contains no fat.
B) The atomic orbitals overlap and electrons are shared between the atoms forming bonds.
C) A transfer of electrons forms ions which are electrostatically attracted forming bonds.
D) Orbital exchange occurs between the atoms to redistribute the electrons and form bonds.
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Answer:
B
Explanation:
A) The sea of electrons only happen with metalic bond, a bond with two metalic elements.
B) As both elements in ammonia (N and H) are non-metals we don't observe an transfer of electrons, both elements share the number of electrons needed to stablize it (3 electrons for the N and 1 for the H).
C) To have a transfer of electrons, we need a bond between a metal and a non-metal, in this case, N and H are non-metals, so this doesn't happen.
D) The electrons are shared, only the electrons nothing happens between the orbitals.
How is electron movement related to covalent bonding in ammonia, NH3?
A) Electrostatic sharing in a sea of electrons around the atoms allows bonds to form.
B) The atomic orbitals overlap and electrons are shared between the atoms forming bonds.
C) A transfer of electrons forms ions which are electrostatically attracted forming bonds.
D) Orbital exchange occurs between the atoms to redistribute the electrons and form bonds.
The electron movement related to covalent bonding in ammonia, NH3 is The atomic orbitals overlap and electrons are shared between the atoms forming bonds. The answer is letter B.
energy
volume
nuclei
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hope this helps!