Metalloids

Q.

What are the most metallic and most non-metallic element in the periodic table?

Q. What are the different types of elements? Explain each with examples.

Q. The metalloid used in the manufacture of computer microchips is _______.

1. germanium
2. hydrogen
3. silicon
4. nitrogen

Q.

Choose the correct option.

“Is malleable and ____”. This statement best describes.

1. a metal

2. a non-metal

3. a metalloid

4. a compound

Q.

Choose the odd one out. Give reasons for your choice.

gold, silver, copper, silicon

Q.

What are the four groups into which all the elements are classified? Name two of each group.

Q.

Which metal is a liquid at room temperature?

1. Potassium

2. Zinc

3. Gold

4. Mercury

Q. Which amongst the following is a metalloid?

1. $Pb$
2. $Si$
3. $Sb$
4. $Zn$

Q. Antimony and arsenic are category of:

1. metal
2. non-metal
3. metalloid
4. mineral

Q.

why mercury is not an exceptionin metals in sonorous property of metals, as it is in liquid form?

Q.

Name an element which can show the properties of metals and non-metals.

Q.

Give three elements which exhibit the properties of both metals and non-metals. What is the name assigned to these?

Q.

Minerals are rich in the following as given. If concentration of the above minerals are done separately without knowing the presence of their contents, what would be the metals obtained in the native state form?

Q. Elements are mostly grouped into metals, non-metals and___ .

Q.

Which of the following is a metalloid?

1. Germanium

2. Sodium

3. Chlorine

4. Neon

Q. rarest metal in the world

Q. Identify metalloids from the following-

1. Bromine
2. Aluminium
3. Silicon
4. Germanium

Q. Explain the position of metals, non-metals and metalloids in modern periodic table.

Q. What is the name given to an element that exhibits properties of both metals and nonmetals?

1. Metalloid
2. Alloy
3. Steel
4. All of the above.

Q.

Which of the following is considered a metalloid?

1. Boron

2. Oxygen

3. Sodium

4. Iron

Q.

The properties of _________ are ductility and mallebility.
__________ are poor conductors of heat and electricity.
__________ has intermediate properties.

1. metals, non-metals, metalloids

2. non-metals, metalloids, metals

3. metals, metalloids, non-metals

4. non-metals, metals, metalloids

Q.

Match the following:

$$\begin{array}{cccc}\left(i\right)& Oxygen& \left(A\right)& Metal\\ \left(ii\right)& Sodium& \left(B\right)& Metalloid\\ \left(iii\right)& Boron& \left(C\right)& Non-metal\\ \left(iv\right)& Gold& & \\ \left(v\right)& Carbondioxide& & \end{array}$$ The correct pairs are:-

1. (ii, v) – C, (i, iv) - B, (iii) - A

2. (i, iv) – C, (ii, v) - B, (iii) - A

3. (i, v) – C, (iii) - B, (ii, iv) - A

4. (i, v) – C, (ii, iv) - B, (iii) - A