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Biblioteka

EL Bio 1.2 Bonds/pH/Water Quiz

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Posljednje ažuriranje almost 4 years ago
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Pitanje 1
1.

Match the type of bond with description (relaciona el vínculo con la descripción)

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Hydrogen bond

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a strong bond created when electrons are shared between atoms

Covalent bond

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a bond created when the hydrogen atom's positive charge is attracted to the oxygen atom's negative charge

Pitanje 2
2.

What does pH measure?

Pitanje 3
3.

Put all of the items in the correct pH category using the pH scale below.

  • lemon

  • bleach

  • soap

  • water

  • coffee

  • Acidic

  • Basic

  • Neutral

Pitanje 4
4.

Match the word with the definition

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

less dense as a solid

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Attraction of water molecules to other water molecules

Cohesion

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Attraction of water molecules to different molecules

Polarity

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Water takes a large amount of heat and energy to change temperatures.

High Heat Capacity

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The ability to dissolve ionic and polar molecules in a solution

Adhesion

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Unequal distribution of electrons and charges on the water molecule

(almost a) Universal Solvent

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Ice floats on top of water

Pitanje 5
5.

The bond shown between the Oxygen and the Hydrogen is:

Pitanje 6
6.

Surface tension can be explained by

Pitanje 7
7.

Water absorbs heat as it evaporates. This helps life maintain homeostasis through panting or sweating. This property is called