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Stolb23 [73]
3 years ago
14

What is a positive ion?

Chemistry
1 answer:
BaLLatris [955]3 years ago
8 0

Answer:

If the atom has more electrons than protons, it is a negative ion or ANION. If it has more protons than electrons, it is a positive ion.

Explanation:

Positive ions are typically metals or act like metals. Many common materials contain these ions. Mercury is found in thermometers, for instance, and aluminum is a metal that is found in a surprising amount of things.

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Which of the following statements about natural resources is correct
trasher [3.6K]

Answer:

The right choice is "wind power requires a lot of space and depends on local weather patterns "

Explanation:

  1. solar power produces harmful chemicals
  • it is incorrect because solar power doesn't produce any chemicals

    2. geothermal power requires more land than other power plants  

  •   it is incorrect because geothermal power requires digging a stable 5 km-deep shaft not a land

    3. nuclear power produces small amounts of energy from large masses

  • it is incorrect because nuclear power produces large amounts of energy from small masses.

So the right choice is "wind power requires a lot of space and depends on local weather patterns "

7 0
3 years ago
Is c2h2 polar or non polar?
Lyrx [107]

Answer:

polar beacuse there is no way its non polar.

3 0
4 years ago
Read 2 more answers
Is O2 always a double bond?
Dima020 [189]
  • O-O single bonds and H-O single bonds in \text{H}_2\text{O}_2 molecules.
  • H-O single bonds in \text{H}_2\text{O} molecules.
  • O=O double bonds in \text{O}_2 molecules.
<h3>Explanation</h3>

How many valence electrons do atoms in each molecule need for them to be stable?

  • Each H atom needs two valence electrons to be stable.
  • Each atom of an element other than H needs eight valence electron to be stable.
  • There are two H atoms and two O atoms in an  \text{H}_2\text{O}_2 molecule. Atoms in each \text{H}_2\text{O}_2 need 2 \times 1 + 2\times 2 = 6 more electrons to be stable.
  • There are two H atoms and one O atom in an \text{H}_2\text{O} molecule. Atoms in each \text{H}_2\text{O} molecule need 2 \times 1 + 2= 4 more electrons to be stable.
  • There are two O atoms in an \text{O}_2 molecule. Atoms in each \text{O}_2 molecule need 2 \times 2 = 4 more electrons to be stable.

How many chemical bonds in each molecule?

Each chemical bond adds one valence electron to each bonding atom. Each chemical bond connects two atoms. As a result, each chemical bond adds two valence electrons to the molecule.

  • Each \text{H}_2\text{O}_2 molecule needs 6 / 2 = 3 chemical bonds.
  • Each \text{H}_2\text{O} molecule needs 4 / 2 = 2 chemical bonds.
  • Each \text{O}_2 molecule needs 4 /2= 2 chemical bonds.

What chemical bonds are these? Again, each H atom needs only one more valence electron to be stable. It will share only one electron with O and form one H-O bond. The rest of the chemical bonds are between O atoms.

  • There are two H atoms in each \text{H}_2\text{O}_2 molecule, which form two H-O bonds. Two of the three chemical bonds in this molecule are H-O. The other is an O-O single bond between the two O atoms.
  • There are two H atoms in each \text{H}_2\text{O} molecule, which form two H-O bonds. Both chemical bonds in this molecule are H-O. There's no O-O bond in this molecule.
  • There is no H atom in \text{O}_2 molecules. Both chemical bonds are between O atoms. However, there are only two O atoms. There must be two chemical bonds between the two O atoms. That bond will be an O-O double bond.
3 0
3 years ago
Read 2 more answers
How many atoms are in the product of the following reaction?
ICE Princess25 [194]

Answer:

10

Explanation:

you need to balance the reaction. the left must be equal to the fight hànd. multiply both sides by 2

8 0
4 years ago
WILL MARK BRAINLIEST PLZ HELPP
Mashutka [201]

Answer:

The answer to your question is below

Explanation:

I just write the formulas of the reactants and products and balanced the reactions.

a)

          3H₂(g)  +  N₂(g)   ⇒   2NH₃

b)

          2K  +  2H₂O  ⇒   2KOH  +  H₂ (g)

c)

         2Al(s)   +  Fe₂O₃  ⇒   Al₂O₃  +  2Fe

d)

         Fe₂O₃  +  2Al   ⇒  Al₂O₃  +  2Fe

e)

         Ba(OH)₂  +  2HBr   ⇒   BaBr₂  +  2H₂O

f)

         CaCO₃  + Δ ⇒  CaO  + CO₂

3 0
3 years ago
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