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Angelina_Jolie [31]
3 years ago
6

PLS HELP ME WILL GIVE BRAIN THINGYYYYY

Chemistry
1 answer:
alexandr1967 [171]3 years ago
6 0

Answer:

C, when the ball lands it will have the least amount potential energy.

Explanation:

here is a picture that should help you.

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Which best describes the trends in electronegativity on the periodic table?
Wittaler [7]

Answer:

My bad i didnt mean to put that carry on.

Explanation:

7 0
3 years ago
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Which statement is true about SO4 2− ?
Nonamiya [84]
It is a poly atomic anion because it has more than one atom and a negative charge
4 0
2 years ago
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Which atomic model proposed that electrons move in specific orbits the nucleus of an atom?​
MrRa [10]

Bohr's atomic model proposed that electrons move in specific orbits around the nucleus of an atom.

3 0
3 years ago
Determine the oxidation number of each element in these compounds or ions. (a) au2(seo4)3 (gold(iii) selenate) au = se = o = (b)
Stels [109]
<span>                                                    Au</span>₂(SeO₄)₃

                                         O = -2 × 4 = -8
                                             Se  =  + 6
So,
                                            (+6 - 8) = -2

Means (SeO₄) contains -2 charge, Now multiply -2 by 3
                                             
                                             -2 ₓ 3 = -6
Means,
                             Au₂ + (-6) = 0
               
                            Au₂  = +6
Or,
                            Au  =  6 / 2

                            Au  = +3
Result:
                            Au  =  +3
                            Se  =  +6
                            O   =  -2

                                                      Ni(CN)₂


Cyanide (CN⁻) contains -1 charge,
So,
                              N  =  -3
                              C  =  +2
Then,
                                         Ni + (-1)₂  =  0

                                               Ni - 2  =  0
Or,
                                                     Ni =  +2
Result:
                            N  =  -3
                            C  =  +2
                           Ni  =  +2




6 0
3 years ago
What does the space-filling model of a water molecule tell you about the relative size of the atoms?
faltersainse [42]
Space -filling models are also known as Calotte models. These are 3 dimensional models that depict the spatial relationships between atoms.
The space-filling model of water molecule shows the 3 D structure of the water molecule. This model CLEARLY REVEALS THE OXYGEN ATOM WHICH IS LOCATED CENTRALLY WITH TWO HYDROGEN ATOMS IN THE ADJACENT SIDES. THE MODEL ALSO SUGGESTS HOW THE WATER MOLECULES ATTRACT EACH OTHER.
8 0
3 years ago
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