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andrey2020 [161]
4 years ago
15

What is an ionic bond?

Chemistry
2 answers:
andrew11 [14]4 years ago
5 0
In ionic bond there is the formation of ions due to transfer of electrons from one atom<span> to </span>the other. Normally, at this link, there is an element that tends to yield electrons (metal-cation), and one that tends to receive electrons (not metal-anion).
Note: the Ionic bond is the only in the transfer of electrons<span>.</span>
kow [346]4 years ago
5 0
Ionic bonds are when atoms lose or gain electrons so that both elements now have a full outer shell. Ionic bonds form between metals and nonmetals.

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How are the codes (chemical formulas) for pure substances different from those for mixtures?
Gnesinka [82]

Answer : The chemical formula of pure substances are different from those of mixtures because all the matter that exists on earth can be classified into two categories namely; pure substances and mixtures.

A pure substance always consists of a single element or compound. Example Oxygen is formed only of oxygen (O) atoms; whereas the table salt which is formed only by sodium chloride (NaCl) molecules is a compound which is made up of pure elements. A pure substance cannot be further divided into its components.

A mixture is made up of different compounds and/or elements. It can be easily separated using any physical method. Example, sand, salt and saw dust mixed together as a mixture. Also, it will not have a definite chemical formula.

Please refer the attachment for better understanding.

5 0
3 years ago
sarah measures out 151 grams of SO2. how many moles is this? Express your answer to three significant figures. ​
svp [43]

150 g SO₂ = 2.36 mol SO₂


M_r = 32.06 + 2×16.00 = 32.07 + 32.00 = 64.06


Moles of SO₂ = 151 g SO₂ × [1 mol SO₂/64.06 g SO₂] = 2.36 mol SO₂



4 0
3 years ago
Solids _____.
Ierofanga [76]

Answer:

Are difficult to compress.

Explanation:

3 0
3 years ago
Read 2 more answers
The given potentials are observed for a calomel electrode: E ° = 0.268 V and E ( saturated KCl ) = 0.241 V . Use this informatio
Anvisha [2.4K]

Answer: The E for Silver-silver Chloride electrode = 0.287 V

Explanation:

Silver/Silver Chloride (Ag/AgCl) with a value for E° that is actually +0.222 V or approximately 0.23 V has the actual potential of the half-cell prepared in this way as +0.197 V vs SHE, (Standard Hydrogen Electrode) which arises because in addition to KCl, there is the contribuion of AgCl to the chloride activity, which isn't exactly unity.

Therefore, the E for the Ag/AgCl electrode would approximately equal 0.287 V

4 0
3 years ago
Each continents were once joined together into one supercontinent what was it called Panterra, Panthalassa, Pangea, or Gia?
I am Lyosha [343]

Answer:

The correct answer is Pangea.

Explanation:

Pangea, also spelled Pangaea, in early geologic time, was a supercontinent that incorporated almost all the landmasses on Earth.

Hope this helps!

8 0
3 years ago
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