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Arada [10]
3 years ago
15

How many total electrons does the P^3- ion have? O a. 3 O b. 31 O c.1 O d. 15 O e. 18

Chemistry
1 answer:
STALIN [3.7K]3 years ago
7 0

Answer:

e. 18

Explanation:

A neutral P atom has an atomic number of 15, which means there are 15 protons in the atom. In order to be neutral, the P atom must also have 15 electrons.

The P³⁻ anion has 3 electrons more than the neutral P atom since it has a charge of -3.

Thus, the total number of electrons are 15 + 3 = 18 electrons.

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Does his model correctly show why the properties of the ending substances are different from the properties of the starting subs
topjm [15]

Answer:

Samira's model is incorrect because not all atoms are accounted for

Explanation:

The image of Samira's model has been attached to this answer to enhance the explanation.

What is depicted in that model is rightly regarded as a chemical change. In a chemical change atoms of substances are rearranged as new substances are formed.

However, all atoms in the products must also be found in at least one of the reactants. In this case we have an atom in one of the products that is not accounted for. Hence the model is incorrect.

6 0
2 years ago
How are water and minerals transported and used in vascular plants?
Mariana [72]

Answer:

vascular plants have that absorb the water and mineral from the air

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Group-8 elements are inert and possess
Artemon [7]

Answer:

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3. Electronegativities is very low

4. No color, odor

Explanation:

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3 0
3 years ago
How many moles of gold are equivalent to 1.204 × 1024 atoms? 0.2 0.5 2 5
NeTakaya

Answer:

c

Explanation:

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0.2

0.5

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C) 2 Is the correct answer, I took the test and it was correct.

5 0
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Read 2 more answers
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