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Flashcards in Water Deck (11)
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1

what does polar mean?

regions of negative and positive charges

2

is water polar or non-polar?

polar

3

which molecule in water is delta negative?

oxygen

4

which molecule in water is delta positive?

hydrogen

5

what are hydrogen bonds?

weak interactions which break and reform, constantly moving the molecules

6

name 3 properties of water

1 - high boiling point
2 - water becomes less dense when its ice ]
3 - has cohesive properties

7

give 3 reasons as to why water is important for life

1 - efficient transport medium
2 - acts as a coolant
3 - water is stable

8

why does water have a high boiling point?

it takes a lot of energy to break the bonds

9

why does water become less dense when it is ice?

the hydrogen bonds become slightly further apart

10

why does water have cohesive properties?

it moves as one mass and is adhesive (attracted to other molecules)

11

what bonds are formed between water molecules?

hydrogen