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Mandy Johnston

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Cards in this guide (11)
Which of these elements has the smallest atomic radius

The answer choices for this question wasn't provided. Oxygen has the smallest atomic radius. The higher the electronegativity in an element makes the atomic radius smaller.

Name the following binary compound K2Cr2O7

Potassium Dichromate

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.

What is the correct electron configuration for an element with 5 electrons in the 3d energy sublevel

1s22s22p63s23p64s23d5

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

K+

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.

What bond has a very strong dipole dipole force

a hydrogen bond

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