Symbol of oxygen
O
The number of protons in an atom is called...
Atomic number
Determine how many protons are in the following element:
Ni
28
Symbol of osmium
Os
How many people edit their photos?
(percentage)
90%
Symbol of cobalt
CO
What is a isotope?
same number of protons but different number neutrons.
Determine how many protons are in the following element:
Sn
50
Symbol of calcium
Ca
Why facebook is blue?
Because its creator, Mark Zuckerberg is colorblind.
Name of this symbol BI
Bismuth
What is an anion?
Has negative charge and come from a negative element.
Determine how many protons are in the following element:
Ac
89
Name of this symbol:
Mn
Manganese
How long does the infatuation stage last?
3 months
Name of this symbol Hg
Mercury
What is a compound?
Atoms of two elements
Determine how many protons are in the following element:
Bi
83
Name of this symbol:
Ge
germanium
What does google mean?
Google's name was taken from the term googol, which means 1 in a million.
Name of this symbol Au
Gold
What is a chemical formula?
Number of atoms in a compound.
Determine how many protons are in the following element:
F-
9
Name of this symbol:
Md
Mendelevium
In which countries can you not buy Coca-Cola?
Cuba and North Korea