The atom size with high electronegativity and high ionization energy
What is a small atom?
100
The person who proposed that the periodic table be organized by atomic number, out of the following: Niels Bohr, Henry Moseley, Albert Einstein, Winnie the Pooh
Who is Henry Moseley?
100
The three subatomic particles and their charges
What are positive protons, negative electrons, and neutral neutrons?
100
C
What is carbon?
200
A horizontal row on the periodic table
What is a period?
200
The size of an atom with fewer protons
What is a bigger atom?
200
The periodic table used to be in order of increasing mass. now the periodic table is organized in this way.
What is increasing the atomic number?
200
An atom or molecule with a net electric charge due to gaining or losing electrons
What is an ion?
200
Au
What is gold?
300
An example of a group of elements
What is 1A-8A or 1B-8B?
300
The trends for ionization energy
What is decreasing when moving down a group and increasing when moving right across a period?
300
The person, out of the following, who is given credit for the foundation of the periodic table: Marie Curie, Jimmy Neutron, Dmitri Mendeleev, J.J. Thompson
Who is Dmitri Mendeleev?
300
Each one of these is an element with a different mass number. For example, Cl-34, Cl-35, and Cl-36
What is an isotope?
300
K
What is potassium?
400
A characteristic of Alkali Metals
What is very reactive?
400
An atom's ability to attract electrons in a chemical bond
What is eletronegativity?
400
The elements were separated into groups of threes where each element had similar characteristics to the other elements in their group
What is the law of triads?
400
_______ is an average of all of the different isotopes of an element while _______ is the number of protons and neutrons in an atom
What is atomic mass and mass number?
400
Strontium
What is Sr?
500
The block the Inner Transition Metals are in
What is block F?
500
The group of elements on the periodic table that has the highest electron affinity
What are non-metals?
500
JAR Newlands contributes this to the periodic table (think in eighths)
What is the law of octaves?
500
The complete chemical symbol if an element has 30 protons, 25 neutrons, and 28 electrons (write it out)
What is Zn with 55 in the top left, 30 in the bottom left, and +2 in the top right?
500
Mo (write out the answer)
What is molybdenum? (MUST be spelled correctly to get the points)