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charle [14.2K]
3 years ago
6

What is the charge on an electron? O-1 O 0 O +1 O +2

Chemistry
1 answer:
GarryVolchara [31]3 years ago
7 0

Answer:

-1

Explanation:

Because it is the smallest sub-atomic particle

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Which statement about erosion is true? Most erosion occurs too slowly to observe. Most erosion occurs too quickly to observe, Er
olganol [36]

Answer:

Erosion can happen very quickly or very slowly.

e.g splash erosion occurs slowly while gulley erosion occurs very fast.

7 0
3 years ago
Which of the following ionic compounds has a transition metal in it?
Georgia [21]

Considering that copper occupies Group 11, the ionic compound with a transition metal in it is c. CuSO₄.

<h3>What is a transition metal?</h3>

A transition metal is any of the set of metallic elements occupying a central block (Groups 3–12) in the periodic table. The differential electron occupies a d subshell.

Which of the following ionic compounds has a transition metal in it?

  • a. KOH. No, K occupies Group 1.
  • b. Cs₂S. No, Cs occupies Group 1.
  • c. CuSO₄. Yes, Cu occupies Group 11.
  • d. MgCl₂. No, Mg occupies Group 2.

The ionic compound with a transition metal in it is c. CuSO₄.

Learn more about transition metals here: brainly.com/question/2426896

8 0
2 years ago
How many liters of water are needed to make a 4.00 M solution using 75.0
timurjin [86]

Answer:

0.22L

Explanation:

Given parameters:

Concentration of solution  = 4.00M

Mass of lithium Bromide  = 75g

Unknown:

Volume of water  = ?

Solution:

Concentration in terms of the molarity is the number of moles of solute in a solution.

   Molarity  = \frac{number of moles }{volume of solution}

let us find the number of moles first;

Number of moles  = \frac{mass}{molar mass}  

  Molar mass of LiBr =  7 + 80  = 78g/mol

                                 number of moles  = \frac{75}{78}

                                 number of moles  = 0.96moles

Volume of water  = \frac{number of moles }{molarity}   = 0.96/4 = 0.22L

7 0
3 years ago
An unknown element, x, reacts with rubidium to form the compound rb2x. in other compounds this element also can accommodate up t
SVETLANKA909090 [29]

There are few elements that can form 12 electron rather than the usual 8. Therefore these are the possible answers:

Sulfur = 2Na + S --> Na2S <span>
Selenium = 2Na + Se --> Na2Se 
<span>Tellurium = 2Na + Te --> Na2Te</span></span>

6 0
3 years ago
Formulas for the compounds below.<br> Sulfur Trioxide<br> Sodium hydroxide
GarryVolchara [31]

<em>Sulphur </em><em>Trioxide</em><em> </em><em>=</em><em> </em><em>So</em><em>3</em>

<em>Sodium</em><em> Hydroxide</em><em> </em><em>=</em><em> </em><em>NaoH</em>

6 0
3 years ago
Read 2 more answers
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