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Elina [12.6K]
3 years ago
11

The blank which are represented by a single uppercase letter,or represented by an uppercase letter followed by a lowercase lette

r​
Chemistry
1 answer:
melomori [17]3 years ago
7 0

Answer: I believe it’s element symbols

Explanation: I hope we both get it right

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2. Write the formula or name for the following
Tems11 [23]

Answer:

Diphosphorus pentoxide

Carbon dichloride

BCl3

N2H4

Explanation:

These are all covalent compounds. To name covalent compounds, you add prefixes to the beginning of their names depending on what the subscript is of each element. The prefixes are:

1: Mono

2: Di

3: Tri

4: Tetra

5: Penta

6: Hexa

7: Hepta

8: Octa

9: Nona

10: Deca

For example, since the first one is Phopsphorus with a 2 next to it, you add the prefix Di to it.

If the first element in the compound only has one, meaning no number next to it, you do not say mono. This is why we just say "Carbon" for the second one instead of "Monocarbon."

Finally, you always have to end the second element in the compound with "ide." So, "chlorine" becomes "chloride," "oxygen" becomes "oxide," and so on.

7 0
3 years ago
Compute the following and give your answer on scientific notation
Nata [24]

Answer:

6*10^-3

Hope it helps

Procedure in the attached file

4 0
3 years ago
Which of the following compounds share electrons? NaCl CO CsF KBr
ArbitrLikvidat [17]
Covalent compounds share with each other, whilst Ionic compounds take from each other. 

Covalent compounds are composed of 2 or more NONMETALS.

So, it would be CO, since the rest of the compounds contain metals in them.
7 0
3 years ago
How does a changing environment affect plant and animals threat live there
klio [65]

Explanation:

Changing the environment takes away habitats from animals and some nutrients plants need

Hope this helps :>

4 0
3 years ago
Please answer fast please ​
slega [8]

I don't know which one I should answer

4 0
2 years ago
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