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.
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<u>Incomplete question.</u> The full question read;
The Robinsons are sailing in a region of relatively___ (1) pressure. The weather front located closest to the family is_____ (2) front. Based on their current location, the Robinsons should expect the weather to include___(3).
Options:
(1) low, high, stable
(2) an occluded, a stationary, a warm
(3) a light breeze and pleasant conditions, intense sunlight and heat, heavy rain, and strong wind.
Answer:
<u>(1) high</u>
<u>(2) an occluded,</u>
<u>3) a light breeze and pleasant conditions,</u>
Explanation:
So the completed sentence would read;
The Robinsons are sailing in a region of relatively high pressure. The weather front located closest to the family is an occluded front. Based on their current location, the Robinsons should expect the weather to include a light breeze and pleasant conditions.
Based on the details found on the weather map, we notice the lines are packed closely together indicating that the region has a high-pressure system. It, therefore, means that as they sail on Saturday they would expect to meet a light breeze and pleasant conditions.