Question

please solve the questions​

Answer 1

Hey!

Answer:

1.

A) a) Electricity

.b) k-2 l-8 m-1

B)

a) Diamond

b) Iron

C)

a) k-2 l-8 m-3

b) k-2 l-8 m-7

Q. 2

A) Metals are good conductors of heat and electricity, malleable, ductile, sonorous.

B) Metals : Aluminum, Iron

Non metals : Oxygen, Carbon

Answer 2

Answer:

Q1. Materials are good conductor of heart Electricity .

Q2. electronic configuration of sodium is ________ present in the cell.

Ans2. The electronic configuration of sodium ion becomes 2,8 on losing one electron.

Q3.?????????

Q4. find out odd one out

Ans 1) Diamond

Ans 2) Iron

Q5.a) write the physical properties of Material.

Ans5. write the physical properties of Materials

• density
• melting point
• melting pointthermal conductivity
• melting pointthermal conductivityelectrical conductivity (resistivity)
• melting pointthermal conductivityelectrical conductivity (resistivity)thermal expansion
• melting pointthermal conductivityelectrical conductivity (resistivity)thermal expansioncorrosion resistance

Q6. write any two explains of material and not metals.

Ans 6. Metals tend to be hard, metallic-looking solids, with high electrical and thermal conductivity values and high melting and boiling points. Nonmetals tend to be softer, often colorful elements. They may be solids, liquids, or gases.