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Chemistry

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Arianna Blick

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Cards in this guide (10)
A molecule having four total electron groups around the central atom has three bonding electron groups and one nonbonding electron group what is its molecular structure

trigonal pyramidal

How is the oxidation state of a transition metal determined from the chemical formula

The subscript of the second ion identifies the oxidation state of the transition metal

What would cause the shape of a molecule to be tetrahedral

Four atoms bound to a central atom with no lone pairs

What makes atoms spread out around a central atom

the shared valence electron pairs repel each other.

What best describes a bond formed between two unlike atoms

The type of bond is determined by the difference in electrongativity of atoms

How does the shape of a molecule affect the polarity of the molecule

C.A molecule that has a symmetrical shape will be a nonpolar molecule.

How are oxidation states of transition metals indicated in the names of metal compounds

Roman numerals are used to indicate oxidation states.

What are repelled in the VSEPR theory

Electron pairs

What happens in a double replacement reaction

In this reaction a change of bonds of the reactants occur: the general form is:
AB + CD = AD + BC

How does a lone pair contribute to the molecular shape

The lone pair repels the electrons of the adjacent bonds more so than does a bonding pair of electrons, so thus alters the molecular geometry of the molecule.

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