answersLogoWhite

0


Best Answer

The atomic number increases from left to right. The atomic number also increases.However, there are few exceptions for atomic mass.

User Avatar

Wiki User

9y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What trends do you notice about the atomic number and atomic mass as you move left to right across the periodic table?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

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.


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


Why does atomic size tend to decrease with increasing atomic number across a row of the periodic table?

electronegativity


What do you notice about the number valence electrons?

left to right across on a row or a periodic table


What do you notice about the number of as you move from left to right across the period in the periodic table?

it increases


How does atomic number vary across the periodic table?

It goes up by one left to right.


What happends to boling point as you increase the atomic number?

Within a periodic table column, the boiling point goes up as the atomic number is increased. However, this does not occur nearly so consistently as the atomic number goes up across a period of the periodic table.


What increases as you move right across a period in the periodic table?

Atomic number, ionization energy and electronegativity


Elements are organized in the periodic table by their?

The periodic table is a function of the atomic number.


How does atomic number explain the arrangement of the periodic table?

According to the modern periodic table "Elements are the periodic function of their atomic number".They are arranged in increasing atomic no. in the periodic table.