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 element of period 3 is the most metallic? | StemPy Lab
Quizzes
/
Which element of period 3 is the most metallic?
Chemistry
Easy
High School (9–10)
General
The Periodic Table › Periodic Trends
Created by
StemPy Lab
Which element of period 3 is the most metallic?
Argon
Sodium
Chlorine
Silicon
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← Why do atoms get smaller across a period?
The oxide of an element turns moist red litmus blue. What kind of element is it most likely to be? →
More on
The Periodic Table › Periodic Trends
Discussion (0)
Log in
to join the discussion.
Loading…
Problems on this topic
On the Pauling scale sodium is 0.9, hydrogen 2.1, carbon 2.5 and chlorine 3.0.
Hard
Sodium oxide, aluminium oxide and sulphur trioxide are each tested with water, with dilute acid and…
Medium
Use the valences of the groups to write three formulas.
Easy
The electron gain enthalpy of chlorine is -349 kJ mol⁻¹ and that of fluorine -328 kJ mol⁻¹.
Hard
All problems on this topic →
Created by StemPy LabCreated by StemPy Lab