Metalloids
Trending Questions
What is Group 5 called?
Name two elements that are liquid at room temperature.
Explain the gradation in properties (valency, metallic and non metallic character) of elements in the modern periodic table. [3 MARKS]
Metalloids are malleable and ductile.
- True
- False
Which of the following is considered a metalloid?
Sodium
Iron
Boron
Oxygen
Can Group Metals Conduct Electricity?
What are metalloids? Write two properties of metalloids.
Which of the following has the highest non-metallic character?
The atomic numbers of four elements P, Q, R and S are 6, 8, 14 and 16 respectively. Out of these, the element known as metalloid is :
(a) P (b) Q (c) R (d) S
- False
- True
Write a note on the position of elements in the periodic table? [5 MARKS]
- Oxygen
- Copper
- Gold
- Chlorine
- Iron
- Carbon
- Sulphur
- Phosphorus
s-block
p-block
d-block
f-block
(iv) Is it metal or nonmetal?
Three elements B, Si and Ge are
(a) metals
(b) non-metals
(c) metalloids
(d) metal, non-metal and metalloid respectively
Which of the following is a metalloid?
Neon
Sodium
Germanium
Chlorine
(a) Electropositive nature of the element increases down the group and decreases across the period.
(b) Electronegativity of the element decreases down the group and increases across the period.
(c) Atomic size increases down the group and decreases across the period.
(d) Metallic character increases down the group and decreases across the period.
On the basis of the above trends of the periodic table, answer the following about the elements with atomic number 3 to 9.
Name the element which is a metalloid.
Will the elements in the group to the right of this boron group be more metallic or less metallic in character? Justify your answer .
- Bromine
- Aluminium
- Silicon
- Germanium
- All of the above.
- Alloy
- Metalloid
- Steel
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
(a) Metal
(b) Metalloid
(c) Non-metal
(d) Left-hand side element
- more
- less
- same
- none of these
- Oxygen
- Copper
- Gold
- Chlorine
- Iron
- Carbon
- Sulphur
- Phosphorus
which is the element in period 3 which does not form an oxide?
- s-block
- p-block
- f-block
- d-block
- True
- False
(a) P
(b) Q
(c) R
(d) S