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In the ground state, an atom of which element has seven valence electrons?
fluorine
protons and neutrons
less than the mass of a neutron
first shell is lower
the reactivity of each sample with water
empirical and structural
different molecular structures and different properties
Na and Br are chemically combined in a fixed proportion.
Which information is suffi cient to differentiate a sample of sodium from a sample of silver?
fluorine
protons and neutrons
less than the mass of a neutron
first shell is lower
the reactivity of each sample with water
empirical and structural
different molecular structures and different properties
Na and Br are chemically combined in a fixed proportion.
Compared to the energy of an electron in the second shell of an atom of sulfur, the energy of an electron in the
fluorine
protons and neutrons
less than the mass of a neutron
first shell is lower
the reactivity of each sample with water
empirical and structural
different molecular structures and different properties
Na and Br are chemically combined in a fixed proportion.
Which particles are found in the nucleus of an argon atom?
fluorine
protons and neutrons
less than the mass of a neutron
first shell is lower
the reactivity of each sample with water
empirical and structural
different molecular structures and different properties
Na and Br are chemically combined in a fixed proportion.
Which two terms represent types of chemical formulas?
fluorine
protons and neutrons
less than the mass of a neutron
first shell is lower
the reactivity of each sample with water
empirical and structural
different molecular structures and different properties
Na and Br are chemically combined in a fixed proportion.
The mass of an electron is
fluorine
protons and neutrons
less than the mass of a neutron
first shell is lower
the reactivity of each sample with water
empirical and structural
different molecular structures and different properties
Na and Br are chemically combined in a fixed proportion.
Which statement explains why NaBr is classified as a compound?
fluorine
protons and neutrons
less than the mass of a neutron
first shell is lower
the reactivity of each sample with water
empirical and structural
different molecular structures and different properties
Na and Br are chemically combined in a fixed proportion.
Graphite and diamond are two forms of solid carbon at STP. These forms have
fluorine
protons and neutrons
less than the mass of a neutron
first shell is lower
the reactivity of each sample with water
empirical and structural
different molecular structures and different properties
Na and Br are chemically combined in a fixed proportion.
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