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Natasha2012 [34]
4 years ago
15

Nickname for nebula "star _ u _ _ _ _ _

Chemistry
1 answer:
Vilka [71]4 years ago
6 0
Star clusters is the only thing i can think of that would apply.
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Be able to identify the correct elements using clues such as numbers of protons,locations (family/period), number of neutrons, n
Brilliant_brown [7]

an element's name, chemical symbol, atomic number, atomic mass.

IDK what you are even asking for

6 0
3 years ago
Which type of reactions form salts?
s344n2d4d5 [400]

Neutralization reactions are the reactions type which form salts.

Explanation:

Salts are formed by ionic bonds when the oxidation states of anions and cations are equal and have opposite signs. So one should be highly electronegative in nature and another should be highly electropositive in nature. So the electropositive element will be ready to give electrons and the electronegative element will be ready to accept all the electrons given by the electropositive element. As a whole the compound will be neutrally charged by adding of equal number of positively charged and negatively charged ions.

The reduction or addition of electrons will be occurring in cations and the oxidation or removal of electrons will be occurring in anions.

So the salt formation is based on neutralization reactions.

8 0
4 years ago
A scientist has two solutions, which she has labeled solution a and solution
klio [65]
Let's make ;
A = ounces solution A
B = ounces solution B


total number of ounces: 
A + B = 120

concentration:
0.65A + 0.80B = 0.7(120)

 Substitute A for 120 - B in the second equation to combine them.

0.65(120 - B) + 0.80B = 84
78 - 0.65B + 0.80B = 84
0.15B = 84 - 78
0.15B = 6
B = 6/0.15
 
B = 40 ounces
Then... A = 120 - 40
A = 60 ounces

8 0
3 years ago
Heat
Kazeer [188]

Answer:

What?

Explanation:

it got mixed up or something

6 0
3 years ago
How many valence electrons does oxygen have?<br> A. 2<br> B. 6<br> C. 8<br> D. 16
AleksandrR [38]

Oxygen has 6 valence electrons, so B

8 0
3 years ago
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