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Chemistry

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Xander Weimann

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Cards in this guide (14)
What is molarity pure water

the molarity of water is 55.5.

What elements have the smallest value for first ionization energy

The alkali earth metals have the smallest first ionization energies.

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.

How is the name of the second element in a covalent molecule changed

The ending of the second element is changed to -ide

Why are prefixes not needed in naming ionic compounds

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

What best describes a bond formed between two unlike atoms

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

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

Which electrons in an atom have the highest energy level

The valence electrons.

What bond is formed between two identical atoms

A molecular bond

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

Which molecule or ion has a linear shape

BeCl2

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