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What is the molecular geometry (shape)?

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How many other atoms does the central atom bond with?

1

The shape is Linear

​

4

The shape is Tetrahedral

No.

The shape is Linear

Yes.

The shape is Bent

2

Does the central atom have a lone pair of electrons?

​

3

Does the central atom have a lone pair of electrons?

​

No.

The shape is Trig. Planar

Yes.

The shape is Trig. Pyramidal

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Is the Molecule Polar

or Nonpolar?

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Does the central atom have one (or two) lone pairs of electrons?

YES.

The molecule is POLAR

(Bent or Trigonal Pyramidal)

NO.

Are the outer elements the same element?

(aka Symmetrical)

Yes.

The molecule is NONPOLAR

No.

The molecule is POLAR

Linear

Trigonal Planar

Tetrahedral

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How do I name the compound?

6 of 6

Is the compound Ionic or Covalent?

IONIC.

Is there a Transition Metal?

COVALENT.

Use a prefix!

-Multiple of the first atom

-Always on the second atom

-If there is a charge, the molecule is also a polyatomic atom

YES.

Use Roman Numerals (ONLY in the name, not in the formula)

NO.

Just name the compound

DON’T FORGET ABOUT POLYATOMIC IONS