Advertisements
Advertisements
Question
Right or wrong sentence.
Silicon is a metallic element.
Options
Right
Wrong
Advertisements
Solution
The given sentence is wrong.
Explanation:
Silicon is a metalloid (a semimetal); it has properties intermediate between metals and nonmetals rather than being a true metallic element. For how metallic character is decided (why silicon sits along the metal/nonmetal border), see the explanation of periodic trends and metalloid placement.
APPEARS IN
RELATED QUESTIONS
Answer the following in respect of element `31/15 P `
Is it a metal or non - metal
Explain the following:
Group 17 elements are strong non-metals, while group 1 elements are strong metals.
Explain the following:
Metallic character of elements decreases from left to right in a period while it increases in moving down a group.
How do the following change on moving from left to right in a period of the periodic table?
Give examples in support of your answer.
Nature of oxides of the elements ?
How does the chemical reactivity of
alkali metals vary?
An element X belong to 3rd periods and group II of the periodic table state:
whether it is a metal or a non-metal.
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing non – metallic character
Explain why the following statement is not correct:
All groups contain metals and non metals.
For the main group of the periodic table, the metallic properties of the elements vary approximately with their position as shown in the table.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| H | He | ||||||
| A | B | ||||||
| C | D |
Will the most non-metallic element be found at A,B,C or D ?
State whether the following statement is true or false
All members of zero group are non metals.
Supply the missing word from the words given in brackets.
If an element has one electron in its outermost energy level, then it is likely to be _ (metallic, non metallic)
Within a group, where would you expect to find the element with the greatest metallic character.
A group of elements in the periodic table is given below (Boron is the first member of the group and Thallium is the last). Answer the following question in relation to the given group of elements:
Which element has the most metallic character?
The tendency of an element to form anion is the ______ character of that element.
Write the name.
The atom having the smallest atomic radius from zero group.
Write a scientific reason.
The non-metallic character increases while going from left to right in a period.
The metal which is hard and has a high melting point and used in filaments of electrical bulbs is ______
Which of the following sets of atomic numbers belong to that of alkali metals?
