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noname [10]
2 years ago
11

What evidence is there on the surface of the Earth of it's formation?

Chemistry
1 answer:
rjkz [21]2 years ago
4 0

Answer: when the solar system settled into its current layout about 4.5 billion years ago, earth formed when gravity pulled swirling gas & dust in to become the third planet from the sun. like its fellow terrestrial planets, earth has a central core, a rocky mantle, & a solid crust.

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Represent the formation of cations for the following metal atoms using electron dot structures. (a) Al (b) Sr (c) Ba​
vagabundo [1.1K]

the formation of cations by using electron dot structures are :

a) Al

.

Al .    losing the three valence electrons makes the Al³⁺

.

b) Sr :  

  Sr :  losing the two valence electrons makes Sr²⁺

c) Ba

: Ba , losing the two valence electrons makes it Ba²⁺

A Lewis electron dot diagram is a representation of the valence electrons of an atom that employments specks around the image of the element. The number of dots equals the number of valence electrons within the molecule. These dots are arranged to the right and left and over and underneath the symbol, with no more than two dots on a side. Cations are the positive ions shaped by the loss of one or more electrons. The foremost commonly shaped cations of the representative elements are those that include the loss of all of the valence electrons.

To know more about the lewis electron dot diagram refer to the link brainly.com/question/14191114?referrer=searchResults.

#SPJ9

3 0
10 months ago
Describe how you would make 6.0 L of a 0.100 M KCl solution from a 4.0 M stock KCl solution.
Galina-37 [17]

Answer:

0.15 l of 4.0 m stock KCl solution should betaken

Explanation:

N1V1=N2V2

6*0.1=V2*4

V2=0.15L

5 0
2 years ago
What are the main properties of liquids (in contrast to gases and solids)? check all that apply. check all that apply. liquids h
saw5 [17]
B is true because liquids are still more compact than gases, although they are loose, they aren't completely free. They also don't have a definite volume, making them assume the shape of their container. As for compression, liquids are harder to compress compared to gases.
5 0
3 years ago
How is kinetic energy of particles and temperature related
Rufina [12.5K]

Answer:

The higher the temperature, the faster the particles move, the lower the temperature, the slower.

4 0
3 years ago
What is 1 +1 (a) 11 (b) 3 (c) 6 (d) 2
Doss [256]
I believe the answer is D) 2
8 0
3 years ago
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