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What do the coefficients in a balanced chemical equation indicate about the substances in the equation?
mole ratios
KCN
orbital
It is highly reactive with water.
same number of protons and a different number of neutrons
arrangement of the atoms
A specific amount of energy is emitted.
Atoms have small, dense, positively charged nuclei.
Which phrase describes the different isotopes of an element?
mole ratios
KCN
orbital
It is highly reactive with water.
same number of protons and a different number of neutrons
arrangement of the atoms
A specific amount of energy is emitted.
Atoms have small, dense, positively charged nuclei.
According to the electron cloud model, which term is defined as the most probable location of an electron in an atom?
mole ratios
KCN
orbital
It is highly reactive with water.
same number of protons and a different number of neutrons
arrangement of the atoms
A specific amount of energy is emitted.
Atoms have small, dense, positively charged nuclei.
Which change occurs when an electron returns from a higher energy state to a lower energy state?
mole ratios
KCN
orbital
It is highly reactive with water.
same number of protons and a different number of neutrons
arrangement of the atoms
A specific amount of energy is emitted.
Atoms have small, dense, positively charged nuclei.
Which formula contains a polyatomic ion?
mole ratios
KCN
orbital
It is highly reactive with water.
same number of protons and a different number of neutrons
arrangement of the atoms
A specific amount of energy is emitted.
Atoms have small, dense, positively charged nuclei.
Which description of the atom is based on the results of the gold foil experiment in the early 1900s?
mole ratios
KCN
orbital
It is highly reactive with water.
same number of protons and a different number of neutrons
arrangement of the atoms
A specific amount of energy is emitted.
Atoms have small, dense, positively charged nuclei.
Which statement describes a chemical property of sodium?
mole ratios
KCN
orbital
It is highly reactive with water.
same number of protons and a different number of neutrons
arrangement of the atoms
A specific amount of energy is emitted.
Atoms have small, dense, positively charged nuclei.
What information about C4H10 can be determined from its structural formula, but not determined from its molecular formula?
mole ratios
KCN
orbital
It is highly reactive with water.
same number of protons and a different number of neutrons
arrangement of the atoms
A specific amount of energy is emitted.
Atoms have small, dense, positively charged nuclei.
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