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Match it!
Match it! Select the correct answer from the pull down...Good luck!
The questions in this practice exam are thoughtfully crafted to assess your knowledge and skills. They cover a range of topics and formats, offering a valuable opportunity for self-assessment and preparation.
a neutron and a proton
different crystal structures and different properties
ethane
4
Iron reacts with nitric acid.
solubility in water
in orbitals outside the nucleus
has an overall positive charge
Diamond and graphite are two forms of solid carbon. These two forms of carbon have
a neutron and a proton
different crystal structures and different properties
ethane
4
Iron reacts with nitric acid.
solubility in water
in orbitals outside the nucleus
has an overall positive charge
What is the number of electrons shared between the two atoms in an O2 molecule?
a neutron and a proton
different crystal structures and different properties
ethane
4
Iron reacts with nitric acid.
solubility in water
in orbitals outside the nucleus
has an overall positive charge
Which substance can be broken down by a chemical change?
a neutron and a proton
different crystal structures and different properties
ethane
4
Iron reacts with nitric acid.
solubility in water
in orbitals outside the nucleus
has an overall positive charge
Which statement describes a chemical property of iron?
a neutron and a proton
different crystal structures and different properties
ethane
4
Iron reacts with nitric acid.
solubility in water
in orbitals outside the nucleus
has an overall positive charge
The wave-mechanical model of the atom describes the location of electrons
a neutron and a proton
different crystal structures and different properties
ethane
4
Iron reacts with nitric acid.
solubility in water
in orbitals outside the nucleus
has an overall positive charge
Which two particles each have a mass of approximately one atomic mass unit?
a neutron and a proton
different crystal structures and different properties
ethane
4
Iron reacts with nitric acid.
solubility in water
in orbitals outside the nucleus
has an overall positive charge
At STP, which property can be used to differentiate a 10.-gram sample of NaCl(s) from a 10.-gram sample of NaNO3(s)?
a neutron and a proton
different crystal structures and different properties
ethane
4
Iron reacts with nitric acid.
solubility in water
in orbitals outside the nucleus
has an overall positive charge
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