Answer:
4 weeks
Explanation:
It takes 4 weeks for the cyclle to be happening again
It is less dense than the liquid below it
Answer:
i spy with my little eye a bill nye the science guy
Two electrons
Explanation:
The number of electrons needed to form one single bond is two electrons. A bond is formed when two atoms comes together and exchange their valence electron. Some atoms prefers to share their valence electrons and are called covalent compounds.
- To form a single bond, the two atoms must donate an electron each.
- Double bond is formed by four electrons
- Triple bond is formed by six electrons in the vicinity of the atoms.
- The region where the bond forms is rich in a lot of mobile electrons
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Covalent bonds brainly.com/question/6029316
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Answer: A chemical reaction is one in which rearrangement of atoms take place. A chemical reaction is characterized by following changes:
1) Absorption or release of heat. Example: Combustion reaction
2) formation of gas bubbles
3) Formation of precipitate
4) Change in color
Colorless changes to white