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Tcecarenko [31]
3 years ago
15

Chlorine ( atomic #17, atomic weight 35), has how many electrons in its outer-most shell?

Chemistry
1 answer:
Lynna [10]3 years ago
8 0
In it's outermost shell, Chlorine has 7 electrons.

Brady
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Why are atoms always bonded
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3 years ago
18.A 2.50 L sample of dry air in a cylinder exerts a pressure of
Vlada [557]

Answer:

\boxed{\text{7.50 L}}

Explanation:

The temperature and amount of gas are constant, so we can use Boyle’s Law.

p_{1}V_{1} = p_{2}V_{2}

Data:

\begin{array}{rclrcl}p_{1}& =& \text{3.00 atm}\qquad & V_{1} &= & \text{2.50 L} \\p_{2}& =& \text{1.00 atm}\qquad & V_{2} &= & ?\\\end{array}

Calculations:

\begin{array}{rcl}3.00 \times 2.50 & =& 1.00V_{2}\\7.500 & = & 1.00V_{2}\\V_{2} & = &\textbf{7.50 L}\\\end{array}\\\text{The volume of the gas is } \boxed{\textbf{7.50 L}}

4 0
3 years ago
What is the oxidation number of s in na2s4o6?
Novosadov [1.4K]

Answer:

+2.5

Explanation:

So the oxidation number of S in Na2S4O6is +2.5.

7 0
3 years ago
Read 2 more answers
The phase change from liquid water to water vapor involves more energy than the phase change from water vapor to liquid water. s
rjkz [21]
Greetings!

I believe the answer is true.
While precipitation does require a lot of energy, evaporation takes longer, and requires more energy from heat, whereas precipitation doesn't really require any.

Hope this helps you!

>>DL<<
7 0
3 years ago
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