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notsponge [240]
3 years ago
8

Which of the following statements does not describe the structure of an atom?  An atom has a small, dense center called the nucl

eus.  Inside the nucleus of an atom are protons and electrons.  Protons are positively charged sub-atomic particles.  Electrons are negatively charged sub-atomic particles.
Chemistry
2 answers:
Allushta [10]3 years ago
7 0
B. I am studying this right now and I know this for a fact because C, D, and A are true and protons are located inside the nucleus and electrons are located outside the nucleus which means B is your answer.
Gala2k [10]3 years ago
5 0
<span>Inside the nucleus of an atom are protons and electrons. </span>
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How would you prepare 500 mL of 0.360 M solution of CaCl2 from<br> solid CaCl2?
LenKa [72]

We need to measure 20.0 grams of CaCl₂ to prepare 500 mL of 0.360 M solution.

First, we need to determine the required moles of CaCl₂. We have 500 mL (0.500 L) of a 0.360 M solution (0.360 moles of CaCl₂ per liter of solution).

0.500 L \times \frac{0.360mol}{L} = 0.180 mol

Then, we will convert 0.180 moles to grams using the molar mass of CaCl₂ (110.98 g/mol).

0.180 mol \times \frac{110.98g}{mol} = 20.0 g

To prepare the solution, we weigh 20.0 g of CaCl₂ and add it to a beaker with enough distilled water to dissolve it. We stir it, heat it if necessary, and when we have a solution, we transfer it to a 500 mL flask and complete it to the mark with distilled water.

We need to measure 20.0 grams of CaCl₂ to prepare 500 mL of 0.360 M solution.

You can learn more about solutions here: brainly.com/question/2412491

4 0
2 years ago
What can you tell by tracking oxidation numbers?
Alla [95]

<u>Answer</u>:

By tracking oxidation numbers we can identify the number electron in the atom

<u>Explanation</u>:

Tracking of electrons helps us to know when and how many electrons get transferred from one atom to other atom . Oxidation  referred as the “loss of one or more electrons” by an atom. When the oxidation number of an element increases, there is a loss of electrons and that element is being oxidized. Oxidation numbers are usually written with the sign (+plus or −minus) followed by the magnitude, which is the opposite of charges on ions. In their elemental stage oxidation number of an atom is zero.  

7 0
3 years ago
How do organisms that are not autotrophs get they energy they need to sustain life
polet [3.4K]
They eat autotrophs, or each other. That's how they get energy.
Hope that answered your question.
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Julli [10]

Answer:

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6 0
3 years ago
Read 2 more answers
CAN someone PLS help me plsss
postnew [5]

Answer:

b

Explanation:

4 0
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