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Akimi4 [234]
3 years ago
12

Are all atoms of the same element identical? Back up your answer with evidence and examples. pls help

Chemistry
1 answer:
Schach [20]3 years ago
5 0
Yes since for atoms to be of the same element , they must have the same number of protons inside their nucleus . This means that 1- they will all have the same nucleon number ( mass number ) and that 2-they will all have the same number of electrons in their outermost shell which determines the chemical properties of the atom.
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Write a hypothesis about whether radiation has the same impacts on coastal areas, forest areas, and desert areas.
Natasha2012 [34]
Radiation has different intensity of impact depending on the area which they are experienced. Excessive amounts of radiation cause abnormalities in the growth of living things, humans, animals, and plants. The intensity of the damage in forest and coastal areas is higher compared to desert areas since more wildlife are present in the two former areas. 
4 0
3 years ago
The density of gold is 19.3 g/cm³. What is the mass of 11.3 cm³ of gold?
telo118 [61]

Answer:

218.09g

Explanation:

the formula for density is mass/volume

you have volume so rlly what you have is 19.3g/cm3=m/11.3cm3

so mass equals density x volume

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3 years ago
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ivann1987 [24]

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8 0
3 years ago
How many moles of potassium hydroxide are needed to completely neutralize 1.56 mol phosphoric acid?
frez [133]
3KOH + H₃PO₄ ----> K₃PO₄ + 3H₂O
3 moles 1 mole


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X = 3×1,56
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:)
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Fiesta28 [93]

Answer:red green and blue hope it helps!,!!!!!!!

Explanation:

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Read 2 more answers
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