Advertisements
Advertisements
Question
Match the atomic number with the following:
A rare gas.
Options
19
15
8
4
2
Advertisements
Solution
2
APPEARS IN
RELATED QUESTIONS
The position of three elements A, B and C in the Periodic Table are shown below –
|
Group 16
|
Group 17
|
|
−
|
−
|
|
−
|
A
|
|
−
|
−
|
|
B
|
C
|
(a) State whether A is a metal or non-metal.
(b) State whether C is more reactive or less reactive than A.
(c) Will C be larger or smaller in size than B?
(d) Which type of ion, cation or anion, will be formed by element A?
Name the scientist who prepared modern periodic table.
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same group of the periodic table?
The elements A, B, C and D belong to groups 1, 2, 14 and 17 respectively of the periodic table. Which of the following pairs of elements would produce a covalent bond?
(i) A and D
(ii) C and D
(iii) A and B
(iv) B and C
(v) A and C
What would be the correct order if Zn, Fe, Al and Cu are arranged in increasing order of reactivity?
Give the symbol and valency of the following element and radical.
Hydrogen
Name the following:
The group of the Modern Periodic Table to which calcium [Ca2+] belongs.
Write an explanation.
Period
State the group and period, of the element having three shells with three electrons in valence shell.
Answer the following in respect of element \[\ce{_16^32S}\].
To which group and period does it belong?
