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What happens to the atomic mass number as you move across the periodic table?
Wiki User
∙ 12y ago
the Atomic Mass in the Periodic Table increases as you go from left to right across a row.....
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoIt increases. Go look at a freaking periodic table yourself! This is a ludicrously easy question.
Wiki User
∙ 12y agoThe atomic mass usually increases, but there are a few exceptions, such as tellurium to iodine.
Wiki User
∙ 11y agoAs we move from left to right, the number of protons and the number of neutrons increases, hence the atomic mass increases.
Wiki User
∙ 11y agoAtomic mass increases as you go from left to right and from top to bottom, on the periodic table of elements.
Wiki User
∙ 12y agoIt increases, but for a few exceptions.
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What happens to the atomic number as you move across a period?
.The atomic mass increases
What happens to the atomic radius as you move down the periodic table?
Down a group, the atomic radius increases as the number of shells or energy levels increases.
How does atomic number vary across the periodic table?
It goes up by one left to right.
What happens to the atomic size from the top to the bottom of the periodic table?
The atomic size increase from top to bottom of periodic table. As the number of shells increases from top to bottom, the atomic size increases.
Who established atomic number as the basic for organizing the periodic table?
Henry Moseley established atomic number as basis of periodic table.The properties of elements are periodic function of their atomic number.
How much does the atomic number increase bye as you go across a row on the periodic table?
Atomic number increases by one as we move from left to right in a periodic table.
When looking across a period of the periodic table from left to right when happens to the atomic number and electronegativity?
As you move from the left to right, the atomic number increases. Also, the electronegativity increases.
What happens to the atomic number as you go from left to right across the periodic table and why does this happen?
Periods on the periodic table refer to the rows of elements. As the elements progress to the right, the atomic numbers increase, usually in steps of 1.
How much does the number increase by as you go across a row on the periodic table?
The atomic number increases by 1 as one go across a row on periodic table. The elements are arranged in order of increasing atomic number.
What stays the same across a period on the periodic table?
the atomic number.
When moving across a period in the periodic table?
The atomic number increases
What happens to the atomic number as you go across a period?
The atomic number increases as one go across a period.
Why does atomic size tend to decrease with increasing atomic number across a row of the periodic table?
electronegativity
What happens to the atomic number as you move across a period?
.The atomic mass increases
What happens to the atomic radius as you move down the periodic table?
Down a group, the atomic radius increases as the number of shells or energy levels increases.
When you read the periodic table horizontally what happens to the atomic number?
It is increasing consecutively.
As you move across a period of the periodic table from left to right what happens to the number of protons contained by each element?
I hate Chemistry!!!!!!!!!!!!!!!!!The number of protons increases as you go across a period.
