An element Q forms a compound QCI5. In which group of the periodic table is Q?
l
lll
V
VII
Correct answer is C
No explanation has been provided for this answer.
Which of the following ions is isoelectronic with neon? [3Li, 3F, 10Ne, 17CI,19K]
CI-
F-
K+
Li,+
Correct answer is B
No explanation has been provided for this answer.
The following properties are characteristics of transition elements except
formation of complex ions
fixed oxidation states
formation of coloured compounds
catalytic abilities
Correct answer is B
No explanation has been provided for this answer.
Al
Na
N
S
Correct answer is A
No explanation has been provided for this answer.
How many orbitals are associated with the p-sub energy level?
2
3
5
6
Correct answer is B
No explanation has been provided for this answer.