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My name is Ann [436]
3 years ago
14

Two students made the Lewis dot diagrams of H2O. The diagrams are as shown.

Chemistry
2 answers:
lawyer [7]3 years ago
8 0

Answer:

only student a

Explanation:

netineya [11]3 years ago
7 0

Answer:

Only student A

Explanation:

don’t worry I got a 100

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The thing that it is called is it is called the atomic number of the thing
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Nickel has 31 neutrons because an atoms mass is the number of protons + neutrons. The # of protons is 28. The mass # is 59. So, there are 31 neutrons.
5 0
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......................................
Alinara [238K]

Answer:

Explanation:

yes leon is correct because matter is anything that takes space and also has mass in it.

thks.

5 0
3 years ago
According to Newton's Second Law of Motion, when an object is acted on by an unbalanced force, how will that object respond?
marissa [1.9K]
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hope this helps :)


7 0
3 years ago
Sorry this is a bit long
Anestetic [448]

The overall balanced reaction equation is;

4Zn(s) + 10H^+(aq) + NO3^-(aq) -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l)

<h3>What is the balanced reaction equation?</h3>

The redox reaction equation is said to be balanced when the number of electron gained is equal to the number of electrons lost.

Now;

1. Reduction and oxidation half-reactions

Zn(s) -----> Zn^2+(aq) + 2e

And

NO3^-(aq) ---->NH4^+(aq) + 3H2O(l)

2. Using the H2O and H+ to balance O and H;

4Zn(s) + 10H^+(aq) + NO3^-(aq) -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l)

3. Balancing the electrons lost and gained; 4Zn(s) + 10H^+(aq) + NO3^-(aq) + 8e -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l) + 8e

4. The overall balanced reaction equation is;

4Zn(s) + 10H^+(aq) + NO3^-(aq) -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l)

Learn more about redox reaction:brainly.com/question/13293425

#SPJ1

8 0
1 year ago
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