Elements in the same vertical group of the periodic table have same
-
- Number of electrons
- Atomic number
- Number of valence elections
- Atomic number
Submitted by :- Muhammad Nawaz
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
| Now you can submit here the latest Chemistry MCQs. SUBMIT HERE |
|---|
Lothar Meyer plotted a graph showing variation of
-
- Atomic volume with increase in atomic number
- Atomic volume with increase in atomic weight
- Atomic radii with increase in atomic weight
- Atomic weight with increase in atomic number
Submitted by :- Muhammad Nawaz
The law of triads was proposed by
-
- Dobereiner
- Newlands
- Lothar Meyer
- Chancourtois
Submitted by :- Muhammad Nawaz
In Mendeleev’s periodic table, elements are arranged in the increasing order of their
- Numbers of neutrons
- Atomic number
- Atomic weight
- Atomic volume
Submitted by :- Muhammad Nawaz
The bond order for N2 molecule is:
[a] 1
[b] 2
[c] 3
[d] 4Submitted by :- Muhammad Nawaz
Milikan used ______________ in his atomizer
A. Milk
B. Honey
C. Oil
D. Water
Submitted by :- Jamil Ahmed
Electronic configuration of K is_________________?
A. [Ar]4s2
B. [Ar]4s1
C. [Kr]5s1
D. [He]2s1
Submitted by :- Jamil Ahmed
Space around nucleus where finding probability of electrons is maximum is called ____________________?
A. Orbital
B. Orbit is elliptical
C. subshell
D. Electron cloud
Submitted by :- Jamil Ahmed
Atom with higher atomic number produces X-rays of__________________?
A. Shorter wavelength
B. Larger wavelength
C. X-ray not produced
D. All are possible
Submitted by :- Jamil Ahmed
When electrons collide with heavy metals than ___________ are produced?
A. Beta-rays
B. Alpha-rays
C. X-rays
D. Gamma-rays
Submitted by :- Jamil Ahmed