Water Molecules

Why do water molecules attract each other?

• Their shape

• Polarity

• Electron pair attraction

• Molecular structure

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NGSS.HS-PS2-6

How many atoms does a water molecule contain?

• 2

• 3

• 4

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NGSS.MS-PS1-1

The oxygen atom, in addition to forming bonds with the hydrogen atoms, also carries two pairs of

• positive electrons

• molecules

• polarity

• unshared electrons

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NGSS.HS-LS1-6

All of the electron pairs—shared and unshared—of the molecule

• repel each other

• attract each other

The plus end of one—a hydrogen atom—associates with the minus end of another—an oxygen atom.

These attractions are an example of

• oxygen bonds

• hydrogen bonds

• solvent bonds

• positive bonds

The unequal sharing of electrons between atoms

• Polar covalent bond

• Covalent polar bond

• Dipolar bond

• Lewis bond

The unequal sharing of electrons, in which the centre of positive charge and the centre of negative charge are not the same

• Dipol

• Polar

• Configuration

• Bond

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NGSS.HS-PS1-3