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Lyrx [107]
3 years ago
7

Which layer of earth’s atmosphere contains very little water vapor,has an atmosphere pressure of 0.25 atmosphere,and has an air

temperature that increases with altitude?
Chemistry
1 answer:
Sedbober [7]3 years ago
7 0

Answer: Troposphere

Explanation:

In the troposphere, as altitude increases in the troposphere, the amount of water vapor decreases.

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3 years ago
Explain in a short sentence how you can tell if a reaction is a double replacement<br> reaction.
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Explanation:

In a double displacement reaction, there is an actual exchange of partners to form new compounds.

The reaction is given as shown below:

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Most elements are ____________. The _____________ elements on the left of the stair-step line on the ______________ of Elements
Vlada [557]

Answer:

metals, 88 , periodic table , luster , heat, electricity , thin, right, opposite , appearance , luster  , malleable , ductile, opposite , shiny, moderately

Explanation:

metals, 88 , periodic table , luster , heat, electricity , thin, right, opposite , appearance , luster  , malleable , ductile, opposite , shiny, moderately Is the answer.

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4 0
2 years ago
An atom has a mass number of 24 and 13 neutrons. What is the atomic number of this atom?
netineya [11]
A=Mass number=24
N=neutrons=13
Z=atomic number.

A=Z+N

24=Z+13
Z=24-13
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The atomic number is 11, and this atom is sodium. 
6 0
3 years ago
Read 2 more answers
Chemistry neeeeeeed help!
ryzh [129]
<h3> <u>ANSWER</u> </h3>

4. O²-

<h3><u>EXPLANATION</u> </h3>

O²- has 16 electrons while Ne has 18 electrons. O²- is a molecule that has one electron added to each atom, meaning that there are two extra electrons which makes O²- the same electron configuration as of Ne atom.

8 0
3 years ago
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