Login
Home
TOP
Send feedback
Login
Subjects
Science TNSB Mentoring
Class 10
Periodic classification of elements
Introduction to metallurgy
4.
Exceptional metals
Question:
5
m.
Choose that exceptional metal:
1.
All metals are solids at ambient temperature except for __________.
platinum
gadolium
hallium
gallium
2.
Metals have high melting and boiling points, and they only evaporate at high temperatures. (exceptions: __________).
sodium and potassium
sodium and rubidium
rubidium and potassium
copper and potassium
Login
or
Fast registration
Previous task
Exit to the topic
Next task
Send feedback
Did you find an error?
Send it to us!