Covalent bonds are formed when two atoms are able to <em>share</em> electrons.
Iroinic bonds are form when two atoms are <em> </em> electrons from each other to complete the bond. This results in a pair of ions.
<u>Covalent bonds:</u>
- Have a definite shape.
- Have a low melting point.
- At room temperature they are in a liquid or gas.
- They occur between two non-metals.
<u>Ionic bonds:</u>
- Have no definite shape.
- Have a high melting point.
- At room temperature they are solid.
- They occur between a metal and a nonmetal.
Answer:
Horizon A es deficiente en minerales.
Horizon B sufre la menor cantidad de cambios.
La roca madre se encuentra debajo de las capas del suelo.
Explanation:
First one - pivot join
Second one - Suture joint
Third one - Gliding joint
Fourth one - Hinge joint
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When a plant is left in dark for several hours, it does not get sunlight. Isn't it?
When a plant does not get sunlight, it cannot prepare food for itself , i.e, photosynthesis does not take place. When it does not prepare food in the form of starch, it will test negative for it.
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Answer:
To figure out what will and will not hurt the environment
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