Question

Can you please help me ASAP​

Answer 1

Answers :-

1. Atoms contain equal number of protons and electrons so they are neutral.
2. An atoms loses or gains electron to form a species called ions .
3. Cations have positive charge ions , which are formed by loss of electrons . For example Na loses one electron to become Na+ . On the anions are negatively charged species formed by gain of electrons . For example, Cl gains one electron to become Cl- .
4. Ions are formed by loss or gain of electrons. Loss of electrons leads to the formation of cation, whereas gain of electrons leads to the formation of anion .
5. Ions are charged species. They form ionic compounds which have high melting point , also they are insulators .
6. A) Lithium has 1 electron in outer shell so it is relatively easier for lithium to lose one electron rather than gaining 7 electron to complete octet so Lithium forms a cation by losing one electron from its valence shell .

• B) The charge on its ion will be plus one .
• C) The ion will be named lithium ion .
• D) It is represented by symbol
  `Li^+`

The blanks for question 7 is as follows:-

1st row : Charge of the ion = +3

2nd row : Chemical symbol = I-

3rd row : Name of ion = Magnesium ion and type of ion = cation .

4th row : Chemical symbol = K+ , charge of the ion = +1 and type of ion = cation .

5th row : Name of ion = Nitride ion , charge of the ion = -3 , type of ion = anion .

and we are done!