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Alenkinab [10]
3 years ago
11

PLEASE HELP ME!!! I WILL GIVE BRAINLIEST TO WHOEVER ANSWERS CORRECTLY FIRST!!! 20 points!!!

Chemistry
2 answers:
loris [4]3 years ago
8 0
The atomic number for Uranium is 92
The mass of Krypton is 92
There are 85 Barium neutrons
I think this reaction emits 3 neutrons? I'm not familiar with seeing neutrons being emitted in an equation, so don't take my word for that last one.
stepan [7]3 years ago
4 0
<span>The atomic mass for Krypton is . (92,56,128,36)</span>
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What is the pOH of<br> a<br> 2.6 x 10-6 M H+ solution?
scZoUnD [109]

Answer:

pH = -log 2.6 x 10-6 M

pH = 5.585

pOH= 14 - 5.585 = 8.415

8.4 as 2 sig figs

8 0
3 years ago
The formula K₂S indicates that _______.
Pachacha [2.7K]
The subscriot 2 means that in the formula there are two parts of K, and the subscript 1 (implicit) for S, indicates that there is one part of S.

This is, the formula gives the ratio of the elements K and S in the compound, which is:

2 atoms of K : 1 atom of S.

Answer: there are 2 atoms of K and 1 atom of S in a molecule of K2S.
5 0
2 years ago
PLS HELP ME WITH THESE I WILL MARK U AS BRAINLIEST!!
netineya [11]

Answer:

uy pasagot kung nasagutan mo na pls wala pa akong sagot jan

7 0
2 years ago
Which element is most likely to gain an electron?
Oduvanchick [21]
B. Fluorine (F) is the right answer
3 0
3 years ago
Need help please please
MatroZZZ [7]

Answer:

1) 4

2) 1/9

3) 46.5

4) 5.8

Explanation:

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2) D=1/9=0.11

3) D=2000/43=46.5

4) D=75/13=5.8

7 0
3 years ago
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