Atomic Radius
In the periodic table the atomic radius ____ as you go left to right.
What are decreases?
The periodic table group with the highest ionization energy is____.
What are the noble gases or group 18?
What are the exceptions for electronegativity in the P block?
What are the Noble gases?
The energy change that occurs when an electron is acquired by a neutral atom is called the atom’s
What is electron affinity?
This Greek philosopher’s theory of four elements was the beginning of the examination into what makes up the world.
Who is Aristotle?
The trend of increasing atomic radius down the periodic table is caused by ______
What is an increase in the number of sublevels and inner electrons?
The energy required to remove one electron from a neutral atom of an element.
What is ionization energy or first ionization energy?
The range for a nonpolar covalent bond
What is, the difference of electronegativity when it is less than 0.3
The units for electron affinity are__
What is kJ/mol?
The noble gases were discovered by this person in 1894.
Who is Ramsay?
As the atomic radius decreases from left to right and bottom to top the attractive force _____
What is increases?
In the empirical formula A + energy →A+ + e—, A+ represents _____.
What is an ion of an element with a single positive charge or 1+ ion?
In what area of the periodic table can you find higher energy for electronegativity
What is the top right corner
The group that gains electrons most readily is ___
What is Group 17 or halogens?
The elements in the periodic table after uranium were synthesized by this chemist in 1940.
Who is Seaborg?
Which of these has greater atomic radius francium (Fr) or carbon ( C )
What is francium ( Fr )?
The noble gases have the highest ionization energy because...
What is losing an electron would make the atom less stable and atoms don’t want this to happen?
The units for electronegativity are
There are no electrons for electronegativity.
The large negative values of halogens’ electron affinities cause their reactivity levels to be ___
What is very high
These two scientists both discovered something in 1869
Who are Mendeleev and Meyer?
The way to measure the atomic radius.
What is to measure the distance between two nuclei and to divide by two?
The units for ionization energy are ___
What is KJ/mol?
The range for a polar covalent bond
What is, the difference of electronegativity when it is between 0.3 and 1.7
As electrons add to the same p sublevel of atoms with increasing nuclear charge, electron affinities become
What is more negative across each period?
In 1913 Mosely discovered and labeled elements by this.
What is atomic numb?