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erastova [34]
2 years ago
15

hi guys im giving away brainliest answer away for a good cause who ever gives me the best rating for my profile picture gets bra

inliest but ill give you thanks if you have atleast something good
Chemistry
1 answer:
vova2212 [387]2 years ago
6 0

Answer:

Ive seen that pfp on google BUT its aight ig

Explanation:

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What is a major crack in the earth's surface?
DENIUS [597]

Answer:

A crack in earth's crust is called a fault also known as a "fracture"

4 0
3 years ago
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Calculate the density of a box with a mass of 500 g and the following
Sedaia [141]

Answer:

25/12 or about 2.083g/cm^3

Explanation:

The first step is to find the volume of the box. The formula for the volume of a rectangular prism is width*height*length, which in this case is 8*6*5=240 cubic centimeters. The formula for calculating density is mass/volume, which in this case is 500/240=25/12 or about 2.083 g/ cubic centimeter. Hope this helps!

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3 years ago
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A sample of gasoline contains various hydrocarbons, which comprise atoms of carbon, hydrogen, and oxygen. The hydrocarbons mix t
Naddika [18.5K]

Answer:

  • mixture
  • homogenous mixture  (of hydrocarbons)
  • compound

Explanation:

Mixture can be easily separated by physical methods. Homogeneity and heterogeneity of a mixture is determined by whether the components there in are in a single phase and evenly distributed or not.

A solution has a solute evenly dissolved in  solvent to form a liquid substance.

An element is the basic form of  substance which cannot be broke down into any other simpler unit.  

I hope this was helpful.

4 0
3 years ago
What is one way that scientists share their work with other scientists
nydimaria [60]
I believe it is called peer reviewing, or something similar.
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3 years ago
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Here is the electron configuration for Argon. What does the coefficient 3 in 3s2 tell us?
topjm [15]

The coefficient 3 represents the electron shell

<h3>Further explanation  </h3>

In an atom there are levels of energy in the shell and sub shell  

This energy level is expressed in the form of electron configurations.  

Writing electron configurations starts from the lowest to the highest sub-shell energy level. There are 4 sub-shells in the shell of an atom, namely s, p, d and f. The maximum number of electrons for each sub shell is  

• s: 2 electrons  

• p: 6 electrons  

• d: 10 electrons and  

• f: 14 electrons  

Charging electrons in the sub shell uses the following sequence:  

<em>1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p⁶, 5s², 4d¹⁰, 5p⁶, 6s², etc.  </em>

Argon is a noble gas element with the symbol Ar with atomic number 18 and mass number 40

Electron configuration: [Ne] 3s²3p⁶

The coefficient 3 represents the electron shell, which is denoted as the quantum number n

This shell consists of 3 sub shells namely 3s, 3p and 3d which have a maximum of 18 electrons (3s = 2 electrons, 3p = 6 electrons and 3d = 10 electrons)

3 0
3 years ago
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