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Chemistry

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Rusty Hahn

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Cards in this guide (11)
Name the following binary compound K2Cr2O7

Potassium Dichromate

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

Which term describes the describes the disorder of random molecular motion

Entropy

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

Does H2 have a molecular dipole moments

No. H2 does not have a permanent dipole moment.

What best describes a bond formed between two unlike atoms

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

What effect does a lone electron pair have on molecular shape

The lone pair pushes bonding electron pairs away.

How many total electrons can the p orbitals hold

Six in p orbital, in each sublevel of p (px, py, pz) there are two electrons at max.

Why does the s orbital fill before the p orbitals

The s orbital is lower in energy than the porbital.

Which of the following has the smallest radius is K plus Rb Rb plus K

K+

Which molecule or ion has a linear shape

BeCl2

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