The number of valence electrons the element Oxygen has.
What is 6?
The elements in column 18.
What are the noble gases?
These elements share some properties of metals and non-metals.
What are metalloids?
Na
The rows on the periodic table.
What are periods?
The number of valence electrons the element Lithium has.
What is 1?
The elements in column 1.
What are the alkali?
These elements are malleable, ductile, and good conductors of heat and electricity.
What are metals?
K
What is potassium?
The columns on the periodic table.
What are families or groups?
The number of valence electrons the element Krypton has.
What is 8?
Free space!
Free points
What types of elements react aggressively?
Ru
What is ruthenium?
The periodic table is organized by this
What is the number of protons?
The number of valence electrons the element Phosphorus has.
What is 5?
The elements in column 17.
What are the halogens?
These elements are stable and do not react easily.
What are noble gases?
Au
What is gold?
This number tells us the number of protons in an atom of each element.
What is the atomic number?
The number of valence electrons the element Bromine has.
What is 7?
The elements in the middle of the periodic table.
What are the metals?
These elements are not malleable, not ductile, and are not good conductors of heat and electricity.
What are non-metals?
H
What is hydrogen?
This number tells us the weight of protons plus the number of neutrons in an atom of each element.
What is the atomic mass?