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Kaylis [27]
3 years ago
10

293Ts- has how many protons, neutrons, and electrons

Chemistry
2 answers:
r-ruslan [8.4K]3 years ago
8 0

Answer:

Protons 78

Neutrons 117

Electrons 78

Explanation:

Afina-wow [57]3 years ago
5 0
P 78 N 117 E 78

I took honors and ap chem. Hope this helps!
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2. A flask and stopper have a mass of 110.525 g. A 50.0-mL sample of gasoline is transferred to the flask, and the flask, stoppe
Dominik [7]

Answer:

  0.690 g/mL

Explanation:

Density is the ratio of mass to volume:

  gasoline mass = (flask+gas mass) - (flask mass) = 145.028 g -110.525 g

  gasoline mass = 34.503 g

Density = (gas mass)/(gas volume) = (34.503 g)/(50.0 mL)

Density = 0.690 g/mL

_____

The least-precise number in this calculation is the sample volume, which has 3 significant figures. Thus, the answer is good only to 3 significant figures.

8 0
3 years ago
(100 PTS NEED HELP ASAP)
ollegr [7]

Answer:

Explanation:

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6 0
3 years ago
What is the Law of Octaves?
kicyunya [14]

i believe the answer would be D. When ordered by atomics mass every eighth element has similar properties.

4 0
3 years ago
Why could weathering and erosion be a bad thing?
choli [55]

The can lead to mass wasting

Explanation:

Weathering and erosion can be a bad thing because they can lead or trigger mass wasting.

  • Weathering is the physical disintegration and chemical decomposition of rocks to form sediments and soils.
  • Erosion is the washing away of weathered materials.
  • Mass-wasting is the movement of materials down-slope under gravity.

  • Both weathering and erosion can lead to serious problems like mass-wasting because they are earth moving processes.
  • Weathering can lead to the formation of sinkholes in an area where rocks are decomposed chemically.
  • Erosion can wash away top fertile layer of soil and makes them bare. This can lead to drought.
  • Rock fall can be initiated when rocks physically disintegrate.
  • Chemical weathering can lead to rust and destruction of structures.
  • Undercutting of structures by erosion can lead to the collapse of bridges.

learn more:

Erosion brainly.com/question/2473244

#learnwithBrainly

3 0
3 years ago
You can start an experiment as soon as you are ready.
Juliette [100K]

Answer:

so whats the question?

Explanation:

4 0
3 years ago
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