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Veronika [31]
2 years ago
8

What does this picture represent?

Chemistry
1 answer:
WARRIOR [948]2 years ago
8 0

the answer is d electronic balance

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What does each row (across) have in common?
Nastasia [14]
Row or periods have in common is the valence electron count. The valence electron count goes up as you move across the periodic table. Also atomic size gets smaller as you move from left to right
3 0
2 years ago
Which is more reactive oxygen or hydrogen? explain why?
mash [69]

Answer:

Explanation:

Which is more reactive hydrogen or oxygen?

Hydrogen is not particularly reactive. For example, just mixing hydrogen and oxygen gas will not cause a reaction at room temperature, but many metal elements oxidize at least on the surface in air. ... It is combustible because oxygen wants electrons and takes them from hydrogen to form water.

6 0
2 years ago
Which state of matter is most likely represented in the diagram shown below?
Yakvenalex [24]
To me it looks like gas.
Gas- CORRECT!
Solid- incorrect because if this were a depiction of a solid then the particles would be much much closer together.
Liquid - incorrect because the particles would be a little more crowded together.
Plasma- I do not think that this answer is correct because, even though the spacing of particles is similar to the spacing of particles in plasma, the particles in plasma are charged particles(nuclei (+) and electrons(-)). Therefore, because the diagram doesn't have the particles labeled with charges, I believe that Plasma cannot be the correct answer.

Any questions? 
7 0
3 years ago
If 89.6 joules of heat 20.0 grams of iron from 30.0 C to 40.0 C, what is the specific heat of the iron in J/g.C?
atroni [7]

Answer:

 

H = m c ΔT  

89.6 J = (20.0 g) × c × (40.0 - 30.0)°C  

Specific heat of iron, c = 89.6 / [20.0 × (40.0 - 30.0)] J/(g°C) = 0.448 J/(g°C)

4 0
3 years ago
Which of the following is evidence for sea floor
Basile [38]
What are the following options?
6 0
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