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Paladinen [302]
3 years ago
11

How many non bonding electrons is in OH-

Chemistry
2 answers:
nikdorinn [45]3 years ago
5 0

Answer:

There are 8 valence electrons

Explanation:

KatRina [158]3 years ago
4 0
There are 8 valence electrons available for the Lewis structure for OH-. To put brackets and a negative sign around the Lewis structure for OH- to show that it is an ion.
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gavmur [86]
1) D) The amount of space a substance takes up 
2) A) The amount of matter in a substance 
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3 years ago
Read 2 more answers
Question 5 (5 points)
KIM [24]
A) LITHIUM is the least reactive alkali metal

B) FRANCIUM is the most reactive alkali metal

C) BERYLLIUM is the least reactive alkaline earth metal

D) RADIUM is the most reactive alkaline earth metal

E) TENNESSINE is the most reactive halogen


For E it might also be Astatine because Tennessine is a fairly new
5 0
2 years ago
A 23.5g aluminum block is warmed to 65.9°C and plunged into an insulated beaker containing 55.0g water initially at 22.3°C. The
atroni [7]

Answer:

25.97oC

Explanation:

Heat lost by aluminum = heat gained by water

M(Al) x C(Al) x [ Temp(Al) – Temp(Al+H2O) ] = M(H2O) x C(H2O) x [ Temp(Al+H2O) – Temp(H2O) ]

Where M(Al) = 23.5g, C(Al) = specific heat capacity of aluminum = 0.900J/goC, Temp(Al) = 65.9oC, Temp(Al+H2O)= temperature of water and aluminum at equilibrium = ?, M(H2O) = 55.0g, C(H2O)= specific heat capacity of liquid water = 4.186J/goC

Let Temp(Al+H2O) = X

23.5 x 0.900 x (65.9-X) = 55.0 x 4.186 x (X-22.3)

21.15(65.9-X) = 230.23(X-22.3)

1393.785 - 21.15X = 230.23X – 5134.129

230.23X + 21.15X = 1393.785 + 5134.129

251.38X = 6527.909

X = 6527.909/251.38

X = 25.97oC

So, the final temperature of the water and aluminum is = 25.97oC

4 0
3 years ago
The green pigment required for photosynthesis is:
katen-ka-za [31]
C. chlorophyll



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7 0
3 years ago
In at least three sentences, explain three disadvantages associated with hydrogen fuel use.
Dmitry_Shevchenko [17]

Here are some disadvantages, is that nitrogen dioxide is a toxic gas and it can still be harmful when ingested by human, also critics of hydrogen fuel cells argue that although these cells do not emit carbon after burning, they give out nitrogen dioxide and other emissions.

Hope this helps

7 0
3 years ago
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