Answer:
when earthquakes are ready strong the ground almost liquefies. There was a pirate trading post on an island and they experienced an earthquake so strong entire buildings were 'swallowed' by sand.
Explanation:
I read a book about it awhile back sorry I couldn't recall the exact location of the island(I think it was in the Caribbean but I'm not sure)
Explanation:
Glass is an amorphous solid because its internal arrangement of crystals lacks shape and forms.
Amorphous means without form.
- When a molten substance crystallizes with enough time in a stable environment, it has a well ordered crystalline structure to it. Such materials are said to be crystalline in nature.
- Some substances like glass are formed by rapid cooling and its molecules are not properly formed.
- This makes them to lack a well ordered arrangement of their molecules.
- The long range ordered arrangement seen in crystalline materials is non-existent in glass.
Learn more:
Non-crystalline brainly.com/question/6528456
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Answer:
Read below. You should probably not take my advice for blue cheese salad dressing.
Explanation:
Table Salt (NaCl) is a molecule made up of 2 atoms,
Sodium (Na) and Chlorine (Cl)
Blue Cheese Salad Dressing is probably a heterogeneous mixture (I don't know it's ingredients) or a solution (Was something dissolved in it?)
Iron (Fe) is an element in the Periodic Table of Elements.
Its a compound because they come together
Answer:
There is one single covalent bond between two carbon atoms.
Explanation:
We know that sharing of electrons form covalent bonds.
If we look upon K,L,M ,N shells of the carbon and hydrogen atoms.
We found that Hydrogen is having only electron in K shell.
And Carbon on the other hand is having electrons in K shell and electrons in L shell.
So carbon have valence electrons,and it can share bonds with any relevant atom to complete its octet.
And Hydrogen requires electron to complete its doublet.
Alkane general formula
For ethane
Carbon atom is shared by Hydrogen.
The remaining one electron of carbon will be shared with another carbon atom.
An image of the sharing of electrons attached below,
Hence we have only covalent bond between the two.