they increase left to right
Yes depending on which scientists version of the periodic table you look at. Henry Moseleys ideas on the periodic table was the first to increase by atomic number.
The Periodic Table tells you how many protons are in an atom by their Elemental Number. In other words, yes, the Periodic Table tells you how many protons are in an atom.
As you move from left to right across a period in the periodic table, the atomic number increases. This means there is an increase in the number of protons in the nucleus of the atoms. Additionally, as you move down a group or family in the periodic table, the number of energy levels or electron shells increases.
As you move from left to right across a period in the periodic table, the atomic number increases. This increase in atomic number corresponds to an increase in the number of protons in the nucleus of the atom.
# protons = atomic number.
There are 11 protons and 12 neutrons. And that does not depend on the periodic table. Sodium had 11 protons and 12 neutrons long before the periodic table, or even human, beings existed!
the numbers increase (going right) and decrease (going left)
The periodic table organizes the elements by atomic number (number of nuclear protons).
The atomic number increases in the periodic table. The atomic number represents the number of protons in the nucleus of an atom, and it increases by one as you move from left to right across a period on the periodic table.
The atomic number on the periodic table is the number of protons for the element.
The largest atom is francium and has 87 protons and 87 electrons.
The element with 19 protons is potassium, which is represented by the symbol K on the periodic table.