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Contact [7]
3 years ago
10

Write a scientific explanation to explain how atoms, molecules, and extended structures make up substances.

Chemistry
2 answers:
otez555 [7]3 years ago
7 0

Answer:

tHaNks FoR ThE PoINts

Explanation:

dO YoUR owN HoMewORk kID

STALIN [3.7K]3 years ago
3 0

Answer:

Pure substances are made up of a bulk quantity of individual atoms or molecules.

Each pure substance is made up of one of Individual atoms of the same type that are connected to form extended structures.

A chemical reaction happens when substances break apart or combine to form one or more new substances.

  • New substances form when bonds break and new bonds form.

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According to the Brinsted -Lowry. what is an acid ? what is a base ? ​
sasho [114]

Answer:

According to the Brønsted definition, an acid is a substance capable of donating a proton, and a base is a substance capable of accepting a proton. ... The species giving up the proton is HCl, an acid. The species accepting the proton is water, the base. The species Cl- is the conjugate base of HCl.

8 0
3 years ago
23. Using the periodic table, what is the oxidation number of:
Aloiza [94]

Answer:

a. +2

b. +3

c. -1

Explanation:

The typical oxidation states can be determined from the periodic table based on the number of valence electrons an atom has.

a. Calcium belongs to group 2A, meaning it has 2 valence electrons and, therefore, would have an oxidation state of +2 in compounds.

b. Aluminum is in group 3A, meaning it has 3 valence electrons and would have an oxidation state of +3 in compounds when the 3 electrons are lost.

c. Fluorine would become fluorine if it gained 1 additional electron to achieve an octet, so its oxidation state would be -1.

8 0
3 years ago
What gas law applies to aerosol cans being stored in a cool place?
svetlana [45]
Don't really know if this is what your asking but P1/T1= P2/T2 should show how the pressure varies with temperature (V is left out because it's constant since the gas is trapped in an aerosol can). As the temperature rises the pressure rises and if it gets too high then the can explodes, which is why it should be stored in a cool place. There's also PV=nRT might be kind of hard to find moles (n) though.


3 0
3 years ago
Hellllpppp<br><br> What is propane's condensed structural formula?
mrs_skeptik [129]

<em>Answer,</em>

<u><em>Propane's condensed structural formula is CH3 CH2 CH3. </em></u>


<u><em>Hope This Helps :-)</em></u>

7 0
2 years ago
Ion<br> If we add an electron to a stable element we call it a(n)_____ion<br><br> anion<br> cation
masha68 [24]
The answer is a cation, I may be wrong but cation is plus and anion is subtract
3 0
2 years ago
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