What is the chemical symbol for Niobium?
Nb
Ni
N
No
Correct answer is A
No explanation has been provided for this answer.
What is the chemical symbol for Zirconium?
Z
Zi
Zc
Zr
Correct answer is D
No explanation has been provided for this answer.
What is the chemical symbol for Yttrium?
Y
Yt
Yr
Ym
Correct answer is A
No explanation has been provided for this answer.
What is the chemical symbol for Strontium?
Sr
St
S
So
Correct answer is A
No explanation has been provided for this answer.
What is the chemical symbol for Rubidium?
R
Ru
Rb
Rd
Correct answer is C
No explanation has been provided for this answer.