Advertisements
Advertisements
Question
A part of modern periodic table is given below. On its basis, answer the following questions:
Group No. → | 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
Period ↓ | ||||||||
2 | A | B | ||||||
3 | E | D | F | C |
Which of the element is a Metalloid?
Solution
Element D shows the properties of both metals and non-metals. Hence, it is a metalloid.
APPEARS IN
RELATED QUESTIONS
What is meant by a group, in a periodic table?
Which of the following statement is correct in regard to the classification of elements?
(a) Elements in modern periodic table are arranged on the basis of increasing atomic masses.
(b) Elements in Mendeleev's periodic table are arranged on the basis of increasing atomic numbers.
(c) In modern periodic table, the element nickel of lower atomic mass is kept before the element cobalt of higher atomic mass.
(d) In modern periodic table, the isotopes of chlorine having different atomic masses are kept in the same group.
State how the valency of elements varies in a period of the periodic table?
Define:- Periodic table
Name two elements in Alkali metals.
What is the number of elements in the 3rd period, of the modern periodic table?
State what is meant by the term chemical formula.
Find the odd one out and give its explanation.
Write scientific reason.
There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.
Spot the error:
There are 5 periods and 17 groups in the modern periodic table.