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Chemistry

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Lenora Corkery

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Cards in this guide (10)
Which term describes the describes the disorder of random molecular motion

Entropy

Does H2 have a molecular dipole moments

No. H2 does not have a permanent dipole moment.

Why are prefixes not needed in naming ionic compounds

Ions combine in only one ratio, so prefixes are not needed.

How many total electrons can the d orbitals hold

10

What happens to the atomic radius when an electron is lost

The positive ionic radius is smaller than the neutral atomic radius

What elements have the highest and lowest ionization energy

Helium has the highest first ionization energy and francium has the lowest first ionization energy.

What bond is formed between two identical atoms

A molecular bond

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+

Which molecule or ion has a trigonal planar shape

So3

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