Just Vocabulary
Good conductors of electricity, and heat, shiny
What are metals?
The name for Group 1A elements
What are alkali metals?
A positively charged ion?
What is a cation?
How many elements were identified by 1700?
What is 13?
How many continents are there?
What is 7?
Kinda like metals, kinda like nonmetals
What are metalloids?
This is the name for the group 2A elements
What are alkaline earth metals?
A negatively charged ion
What is an anion?
This chemist and schoolteacher made the first periodic table
Who is Dmitri Mendeleev?
How many times a year do we have to change our clocks?
What is 2?
Poor conductors of heat and electricity, upper right side of the periodic table.
What are nonmetals?
These elements are found in the very right group of the periodic table.
What are the noble gases?
The ability of an atom of an element to attract electrons when the atom is in a compound.
What is electronegativity?
This is how elements are arranged in the modern periodic table
What is by increasing atomic number?
Emperor penguins only live on this continent
What is Antarctica?
Chlorine belongs to this group
What are the halogens?
These elements are groups 1A through 7A.
What are the representative elements?
One half of the distance between the nuclei of two atoms of the same element when the atoms are joined.
What is atomic radius?
Mendeleev organized his periodic table based on this property
What is atomic mass?
This continent is home to the worlds largest desert.
What is Antarctica?
When elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical properties.
What is the periodic law?
The energy required to remove an electron from an atom.
What is ionization energy?
What charge does the cathode have
What is negative?
This trend decreases from top to bottom and increases from left to right
What is electronegativity?
The equator passes through these 3 continents
What are South America, Africa, and Asia?