Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Groups
Community ▾
A
A
Which pair has the same electron arrangement? | StemPy Lab
Quizzes
/
Which pair has the same electron arrangement?
Chemistry
Hard
High School (9–10)
General
Structure of the Atom › Electronic Configuration and Valency
Created by
StemPy Lab
Which pair has the same electron arrangement?
Na
+
\text{Na}^+
Na
+
and
Ne
\text{Ne}
Ne
Na
\text{Na}
Na
and
Ne
\text{Ne}
Ne
Cl
\text{Cl}
Cl
and
Ar
\text{Ar}
Ar
Mg
\text{Mg}
Mg
and
Ar
\text{Ar}
Ar
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← The ion N³⁻ forms from a nitrogen atom (Z = 7). How many electrons does it have, and which noble gas has the same arrangement?
A student writes: The mass number is the number of protons in the nucleus. What is the mistake? →
More on
Structure of the Atom › Electronic Configuration and Valency
Discussion (0)
Log in
to join the discussion.
Loading…
Problems on this topic
Write the electron configurations of V²⁺, Co³⁺, Cu⁺ and Mn²⁺.
Medium
By the usual order of filling, copper should be [Ar] 3d⁹ 4s².
Medium
Write the electron configurations of silicon (Z = 14), vanadium (Z = 23) and manganese (Z = 25)…
Easy
Lithium-7 has an atomic number of 3. The lithium ion, Li⁺, has a charge of +1.
Medium
All problems on this topic →