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Which substance contains elements chemically combined in a fixed proportion?
neutron and proton
nitrogen
rubidium
methane
solubility
Atoms are mostly empty space.
a nonpolar covalent bond
the fourth shell to the second shell
Which element has chemical properties most similar to sodium?
neutron and proton
nitrogen
rubidium
methane
solubility
Atoms are mostly empty space.
a nonpolar covalent bond
the fourth shell to the second shell
An excited potassium atom emits a specific amount of energy when one of its electrons moves from
neutron and proton
nitrogen
rubidium
methane
solubility
Atoms are mostly empty space.
a nonpolar covalent bond
the fourth shell to the second shell
Which property can be used to differentiate between a 50.-gram sample of solid potassium nitrate at STP and a 50.-gram sample of solid silver chloride at STP?
neutron and proton
nitrogen
rubidium
methane
solubility
Atoms are mostly empty space.
a nonpolar covalent bond
the fourth shell to the second shell
Which type of bond forms when electrons are equally shared between two atoms?
neutron and proton
nitrogen
rubidium
methane
solubility
Atoms are mostly empty space.
a nonpolar covalent bond
the fourth shell to the second shell
Which two particles each have a mass approximately equal to one atomic mass unit?
neutron and proton
nitrogen
rubidium
methane
solubility
Atoms are mostly empty space.
a nonpolar covalent bond
the fourth shell to the second shell
Which conclusion was developed as a result of the gold foil experiment?
neutron and proton
nitrogen
rubidium
methane
solubility
Atoms are mostly empty space.
a nonpolar covalent bond
the fourth shell to the second shell
Which element has the lowest density at 298 K and 101.3 kPa?
neutron and proton
nitrogen
rubidium
methane
solubility
Atoms are mostly empty space.
a nonpolar covalent bond
the fourth shell to the second shell
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