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stealth61 [152]
3 years ago
10

9. In a sample of gas, what causes pressure? Answer in a completesentence.

Chemistry
1 answer:
hammer [34]3 years ago
7 0

Answer:

physical properties of gases, that is, pressure, volume, temperature, and amount of gas

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Which of the following elements has the lowest electronegativity?
hram777 [196]
Barium (Ba) has the lowest electronegativity of the choices you have given. 

The electronegativity of Calcium (Ca) is 1
The electronegativity of Strontium (Sr) is 0.95
The electronegativity of Magnseium (Mg) is 1.31 (has the highest)
The electronegativity of Barium (Ba) is 0.89

Of the list above, you can see that Barium has the lower level of electronegativity (0.89). Therefore, the correct answer is D. 

Let me know if you need further info. 

            - Dotz 
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3 years ago
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Sodium chloride comprises 97%-99% of table salt. Given their location on the periodic table, identify the ionic charge for each
ruslelena [56]
The answer is A) Sodium is an Alkali metal and is in group IA with an ionic charge of +1. While chlorine, Cl, is a halogen and is in group VIIA with a charge of -1. These will form NaCl(s).
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2 years ago
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Digiron [165]

Answer:

Growing population

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8 0
2 years ago
How can water dissovle many substances
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Answer: Polar molecules

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I'm pretty sure, idk college stuff

3 0
3 years ago
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Mendeleev used his periodic table of elements to
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