2
Who is the creator of the periodic table?
3
THE RESULT OF SUBTRACTING THE "A" MINUS "Z" INDICATES US THE NUMBER OF ...
4
Which of these elements does not have metallic shine? Fluorine or sodium.
5
What kind of compound is LiH?
7
How many protons does the Calcium have?
8
What is "S"?
9
How much is the molecular mass of NaOH?
10
Who has the largest atomic size? Technetium, Antimony, Rubidium, Iodine, Xenon, Molybdenum
11
The smallest particle of an element
13
Compound consisting of hydrogen and a negatively charged nonmetal.
14
A is............... number
15
How many celsius are 283K?
