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Naddika [18.5K]
3 years ago
6

6) How many valence electrons does an atom of Cu possess?

Chemistry
1 answer:
agasfer [191]3 years ago
7 0
The answer is c)11 because copper has 11 valence electrons
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Which statement is true about AC?
AysviL [449]

According to the research, the correct option is A. The electrons move back and forth is the statement that is true about AC.

<h3>What is AC?</h3>

It is the flow of electric charges through a conductor is called electric current, if said flow of electric current varies in direction from time to time, we speak of alternating current.

Subatomic particles such as protons and electrons have an electrical charge, a physical property that is manifested by the repulsive and attractive forces that exist between them in AC the electrical charge moves back and forth.

Therefore, we can conclude that according to the research, the correct option is A. The electrons move back and forth is the statement that is true about AC.

Learn more about AC here: brainly.com/question/11695848

#SPJ1

3 0
1 year ago
Which pure substance is made of only one kind of atom?
aleksley [76]

Answer:

the answer is D i believe. i am not shure but im like 70% sure

7 0
3 years ago
How many grams of water can be produce from the complete reaction of excess nitric acid and 33.2 mL of 0.245 M lithium hydroxide
Mariulka [41]

Mass of water produced : 0.146 g

<h3>Further explanation</h3>

Given

33.2 mL of 0.245 M lithium hydroxide

Required

mass of water

Solution

Reaction

HNO₃ (aq) + LiOH (aq) → H₂O (l) + LiNO₃ (aq)

mol LiOH :

= M x V

= 0.245 x 33.2 ml

= 8.134 mmol

From the equation, the mol ratio of HNO₃ : H₂O = 1 : 1, so mol H₂O = 8.134 mmol

mass H₂O :

= mol x MW

= 8.134 x 10⁻³ mol x 18 g/mol

= 0.146 g

3 0
2 years ago
10. What are the reactants in the process described below?
masha68 [24]

Answer:

don't know what to do

Explanation:

i don't know the answer

5 0
2 years ago
The number of electrons is not equal to number protons if...?
sineoko [7]

Answer:

the answer is not correct

3 0
2 years ago
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