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vladimir1956 [14]
3 years ago
15

a model of an atom shows eight electrons in rings that represent different energy levels. how many electrons are in each energy

level?
Chemistry
1 answer:
vlada-n [284]3 years ago
4 0

Answer:

1. four in the first energy level, four in the second energy level

2. eight in the first energy level, zero in the second energy level

3. zero in the first energy level, eight in the second energy level

4. two in the first energy level, six in the second energy level *

Explanation:

1. four in the first energy level, four in the second energy level

2. eight in the first energy level, zero in the second energy level

3. zero in the first energy level, eight in the second energy level

4. two in the first energy level, six in the second energy level *

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A subatomic particle with a positive charge
mote1985 [20]
A subatomic particle that has a positive change is called a proton. The main three subatomic particles you should know are protons, electrons, and neutrons. Protons have a positive change, electrons have a negative charge, and neutrons are neutral with no charge.

Hope this helps.
5 0
3 years ago
FeCl3 + NaOH → Fe(OH)3 + NaCl​
Sunny_sXe [5.5K]

Answer:

FeCl₃  +  <u>3</u>NaOH  →  Fe(OH)₃  +  <u>3</u>NaCl​

Explanation:

You are given a skeleton equation, or unbalanced equation.

FeCl₃  +  NaOH  →  Fe(OH)₃  +  NaCl​

<u>Count the number of atoms on each side</u>. If there is 1 atom, the subscript is not written. If the subscript to the right of a bracket, it belongs to each element in the bracket.

Reactants     →       Products

Fe  1                        Fe  1

Cl   3                       Cl   1         Not balanced

Na  1                        Na  1

O   1                         O   3        Not balanced

H   1                         H   3        Not balanced

<u>The number of each element must be the same in the reactants and products.</u> We can see that Cl (chlorine), O (oxygen) and H (hydrogen) have different numbers.

<u>Write in coefficients in front of formulas</u> (separated by + sign). Coefficients multiply each subscript (or "1" if not written) in the formula. <u>Recount the atoms until you have equal reactant and product atom numbers.</u>

I see that I need more chlorine in my products. Multiply the formula that has "Cl" by 3.

FeCl₃  +  NaOH  →  Fe(OH)₃  +  3NaCl​

Reactants     →       Products

Fe  1                        Fe  1

Cl   3                       Cl   3          Cl is balanced now.

Na  1                        Na  3         Not balanced

O   1                         O   3         Not balanced

H   1                         H   3         Not balanced

Fix the "Na" now. Multiply the formula with "Na" on the left by 3.

FeCl₃  +  3NaOH  →  Fe(OH)₃  +  3NaCl​

Reactants     →       Products

Fe  1                        Fe  1

Cl   3                       Cl   3

Na  3                       Na  3

O   3                        O   3

H   3                        H   3

Each side has the same number of each element. Therefore, this is balanced now.

Balanced formula:

FeCl₃  +  <u>3</u>NaOH  →  Fe(OH)₃  +  <u>3</u>NaCl​

7 0
4 years ago
What do we call the time it take to travel around the sun one time? -Astronomy Class
Tamiku [17]

traslation is called when a object take a travel around the sun

7 0
3 years ago
Which is one way that scientist communicate the result of an experiment
arlik [135]

Answer:

wove oral visalize  

Explanation:

7 0
3 years ago
My "home work assigment" is asking if a 16 dude is hittin on me andd im 13 should i go for it or call him out on actin like tony
mrs_skeptik [129]

Answer:

well if you don't what to call him out the like just kinda explain it to him nicely and if you don't want to do that the just inore him do what's best for you

Explanation:

do what you thinks right

4 0
3 years ago
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