When electrons are added to the outermost shell of a carbon atom, it forms?
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Anion in largest form
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Did Pb2+ react with KI? Yes or No? State the reason of your answer.
PLEASE HELP ME WITH THESE THREE QUESTIONS!!!!!!!!!!!!Some of the newest types of modern appliances are 100% efficient and lose no energy to heat. True False A perpetual motion machine is an invention that has only worked a few times in history. True FalseThermal pollution occurs when factories use water to cool down their heated machinery, and then release the heated water into rivers and oceans. True False
If an atom has six protons and four neutrons, what is its charge?
What is one way to describe elements? A. They are the smallest particles of any material. B. They are the building blocks of matter. C. They are the most expensive materials on earth. D. They break down easily.
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Answer is: C) N.
Nitrogen (N) has greatest electronegativity.
Electronegativity (χ) is a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.
Atoms with higher electronegativity attracts more electrons towards it, electrons are closer to that atom.
Nitrogen has electronegativity χ = 3 and other elements have less.
has the greatest attraction for electrons in a chemical bond.
Further explanation:
Electronegativity:
It is the tendency of an atom to attract the shared electrons in the bond towards itself. More the electronegativity of the atom, higher will be its tendency to attract the bonding electrons towards itself. The electronegative atom develops a partial negative charge and the electropositive atom develops a partial positive charge.
Electronegativity trends in the periodic table:
Along the period, electronegativity increases due to the increase in the nuclear charge. This results in the strong attraction of electrons.
Down the group, electronegativity decreases due to an increase in the size of elements. This results in a lesser attraction between the nucleus and the electron.
All the given elements (As, Bi, N, P) are present in the same group of the periodic table. Nitrogen is present at the top of the group so it has the highest electronegativity among the given elements. Phosphorus is present below nitrogen but above As and Bi so its electronegativity is less than nitrogen but more than the remaining elements. Arsenic is present above Bi so it has more electronegativity than Bi. Bismuth is present at the bottom of the group so it has the least electronegativity among the given elements.
Therefore, nitrogen has the greatest tendency to attract electrons towards itself in a chemical bond.
Learn more:
1. Which ion was formed by providing the second ionization energy? brainly.com/question/1398705
2. Write a chemical equation representing the first ionization energy for lithium: brainly.com/question/5880605
Answer details:
Grade: High School
Subject: Chemistry
Chapter: Periodic classification of elements
Keywords: electronegativity, electron, N, P, As, Bi, group, period, increase, decrease, attraction, chemical bond, nitrogen, phosphorus, arsenic, bismuth.
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Skeleton equation →
Balanced equation →
What is a balanced chemical equation?
A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products.
Skeleton equation -A skeletal chemical equation is a representation of a chemical reaction using chemical formulae of reactants and products.
Skeleton equation →
Balanced equation-A balanced chemical equation tells you the amounts of reactants and products needed to satisfy the Law of Conservation of Mass.
Balanced equation →
Learn more about the balanced chemical equation here:
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balanced equation C6H12O6 + 6O2 -----> 6CO2 + 6 H2O
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Final answer:
When the temperature of a substance decreases, the average kinetic energy of its particles also decreases. This is because the temperature of a substance is proportional to the average kinetic energy of its particles. The slower the particles move, the lower the kinetic energy.
Explanation:
The question refers to the relationship between the temperature of a substance and the average kinetic energy of its particles. According to the kinetic-molecular theory, the temperature of a substance is proportional to the average kinetic energy of its particles. When the temperature of a substance rises, the particles vibrate more in solids or move more rapidly in liquids and gases, indicating an increase in kinetic energy. Conversely, if the temperature decreases, the kinetic energy also decreases, and the particles move more slowly.
For instance, when the temperature of a gas increases, its average kinetic energy increases, more molecules have higher speeds and fewer molecules have lower speeds. The distribution shifts towards higher speeds overall. If the temperature decreases, the opposite happens: the average kinetic energy decreases, more molecules have lower speeds and fewer molecules have higher speeds. The distribution shifts towards lower speeds overall.
Learn more about Kinetic Energy and Temperature
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- Chip stones should be added to a solution that is to be refluxed as they act as nucleation sites for formation of solvent bubbles.
- This should be added when the temperature of the liquid is still low.
What are Boiling Chips?
These are usually added to a solution as they contain trappedair which
helps in the reflux process.
The high surface area ensures it acts as nucleation sites and the best time
to dd is when the temperature of the solution is still low for best results.
Read more about Boiling chips here brainly.com/question/10584205
Hope this helps!
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