Elements in the same group have similar properties because this is the same.
What is valence electron configuration?
100
These are smaller than the neutral atoms from which they form.
What is positive ions?
100
This scientist gets all of the credit for connecting chemical properties of the elements and the atomic mass of the elements.
Who is Dmitri Mendeleev?
100
This major event led to the development of many chemistry-based industries.
What is the industrial revolution?
200
This invention played a major role in the advancement of chemistry.
What is electricity?
200
These are the four blocks of the periodic table.
What is block-s, block-p, block-d, and block-f?
200
These of both positive and negative ions increase as you move down a group.
What is ionic radii?
200
He was a French scientist who compiled a list of the 23 known elements in the 1790's.
Who is Antoine Lavoiseir?
200
This type of elements have the physical and chemical properties of both metals and nonmetals.
What is metalliods?
300
The periodic table organizes elements into these.
What is periods and groups?
300
In the group A elements this equals an atoms number of valence electrons.
What is group number?
300
This states that atoms gain, lose, or share electrons in order to acquire the stable electron configuration of a noble gas.
What is the octet rule?
300
This scientist noticed that when arranged by increasing atomic mass, their properties repeated every eighth element
Who is John Newlands?
300
This is an atom of a bonded group of atoms that has a positive or negative charge.
What is an ion?
400
Elements are classified as one of three things.
What is metal, nonmetal, or metalliod?
400
This equals the energy level of and atoms valence electrons.
What is its period number?
400
This indicates the ability of atoms of an element to attract electrons in a chemical bond, plays a role in determining the type of bond formed between elements in a compound.
What is electronegativity?
400
This scientist fixed the errors inherent in Mendeleevs table by organizing the elements by increasing atomic number.
Who is Moseley?
400
This is defind as the energy required to remove an electron fom a gaseous atom.
What is Ionization energy?
500
This on the table separates metals from nonmetals.
What is the stair-step?
500
This electron configuration of the group 8A elements is exceptionally stable.
What is s^(2 ) p^(6)
500
Electronegativity values have a range of this.
What is 7 to 3.96?
500
This scientist is over shadowd by mendeleev because he didnt publish his organization scheme fast enough.
Who is Lothar Meyer?
500
This states that atoms tend to gain, lose, or share electrons in order to acquire a full set of eight valence electrons.