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Which statement describes a chemical property of sodium?
KCN
same number of protons and a different number of neutrons
orbital
different molecular structures and different properties
arrangement of the atoms
charge
It is highly reactive with water.
A specific amount of energy is emitted.
Which formula contains a polyatomic ion?
KCN
same number of protons and a different number of neutrons
orbital
different molecular structures and different properties
arrangement of the atoms
charge
It is highly reactive with water.
A specific amount of energy is emitted.
Which quantity is conserved in all chemical reactions?
KCN
same number of protons and a different number of neutrons
orbital
different molecular structures and different properties
arrangement of the atoms
charge
It is highly reactive with water.
A specific amount of energy is emitted.
Oxygen can exist as diatomic oxygen gas, O2(g), or ozone, O3(g). These two forms of oxygen have
KCN
same number of protons and a different number of neutrons
orbital
different molecular structures and different properties
arrangement of the atoms
charge
It is highly reactive with water.
A specific amount of energy is emitted.
Which phrase describes the different isotopes of an element?
KCN
same number of protons and a different number of neutrons
orbital
different molecular structures and different properties
arrangement of the atoms
charge
It is highly reactive with water.
A specific amount of energy is emitted.
Which change occurs when an electron returns from a higher energy state to a lower energy state?
KCN
same number of protons and a different number of neutrons
orbital
different molecular structures and different properties
arrangement of the atoms
charge
It is highly reactive with water.
A specific amount of energy is emitted.
What information about C4H10 can be determined from its structural formula, but not determined from its molecular formula?
KCN
same number of protons and a different number of neutrons
orbital
different molecular structures and different properties
arrangement of the atoms
charge
It is highly reactive with water.
A specific amount of energy is emitted.
According to the electron cloud model, which term is defined as the most probable location of an electron in an atom?
KCN
same number of protons and a different number of neutrons
orbital
different molecular structures and different properties
arrangement of the atoms
charge
It is highly reactive with water.
A specific amount of energy is emitted.
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