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Which phrase describes the protons and neutrons in atoms of two different isotopes of the same element?
The atom loses an electron, and the radius decreases
A bond is formed as energy is released.
charge
atom in an excited state
different properties and different molecular structures
the same number of protons and a different number of neutrons
Rn
Fe
Which atom, in the ground state, has a stable valence electron configuration?
The atom loses an electron, and the radius decreases
A bond is formed as energy is released.
charge
atom in an excited state
different properties and different molecular structures
the same number of protons and a different number of neutrons
Rn
Fe
Which quantity is conserved during all chemical reactions?
The atom loses an electron, and the radius decreases
A bond is formed as energy is released.
charge
atom in an excited state
different properties and different molecular structures
the same number of protons and a different number of neutrons
Rn
Fe
Given the equation representing a reaction: F + F → F2. Which statement describes the changes that occur during this reaction?
The atom loses an electron, and the radius decreases
A bond is formed as energy is released.
charge
atom in an excited state
different properties and different molecular structures
the same number of protons and a different number of neutrons
Rn
Fe
When a cesium atom becomes a positive ion, there is a change in electron configuration and radius. Which statement describes this change?
The atom loses an electron, and the radius decreases
A bond is formed as energy is released.
charge
atom in an excited state
different properties and different molecular structures
the same number of protons and a different number of neutrons
Rn
Fe
As the electron in a hydrogen atom gains energy and moves from the first shell to the third shell, the hydrogen atom becomes an
The atom loses an electron, and the radius decreases
A bond is formed as energy is released.
charge
atom in an excited state
different properties and different molecular structures
the same number of protons and a different number of neutrons
Rn
Fe
Which phrase compares the properties and molecular structure of oxygen, O2(g), and ozone, O3(g)?
The atom loses an electron, and the radius decreases
A bond is formed as energy is released.
charge
atom in an excited state
different properties and different molecular structures
the same number of protons and a different number of neutrons
Rn
Fe
At STP, a 5.0-gram sample of which substance contains metallic bonds?
The atom loses an electron, and the radius decreases
A bond is formed as energy is released.
charge
atom in an excited state
different properties and different molecular structures
the same number of protons and a different number of neutrons
Rn
Fe
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