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laiz [17]
2 years ago
8

REALLY NEED HELP. TAKING A TIMED TEST. 15 POINTS

Chemistry
1 answer:
zimovet [89]2 years ago
7 0
The F atom . Oxygen has a -2 charge and fluorine has a +1 charge
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Describe the sequence of events in the formation of an evaporite
erica [24]
- Water enter from creeks, bringing whatever material it has dissolved in its way

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3 years ago
A match has about 21 milligrams of red phosphorus coating the tip. How many atoms of phosphorus is this?
MAXImum [283]

Answer:

4.083 * 10^20 atoms.

Explanation:

One Mole of phosphorus  contains 6.022 * 10^23 atoms (Avogadros number)'

Since 1 mole of Phosphorus  has a mass of  30.974 grams, 21 milligrams has

6.022 * 10^23  * 0.021 / 30.974

= 0.004083 * 10^23

= 4.083 * 10^20

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3 years ago
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Novay_Z [31]
I Would Say The Answer Is C.
8 0
3 years ago
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Why do the deprotonated organic acid (RCO2-) and protonated organic base (RNH3+) go into the aqueous layer?
rodikova [14]

Answer:

The deprotonated organic acid (RCO2-) and protonated organic base (RNH3+) go into the aqueous layer because Organic compounds that are neither acids or bases do not react with either NaOH or HCl and, therefore remain more soluble in the organic solvent and are not extracted.

Explanation:

4 0
3 years ago
Which element can join with other elements to form covalent bonds? beryllium (Be) carbon (C) cesium (Cs) iron (Fe)
Rainbow [258]

Answer:

Carbon (C)

Explanation:

Carbon is the only nonmetal there and covalent bonds happen between two nonmetal atoms

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3 years ago
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