Periodic Table
Vertical columns on the periodic table are called
What are Groups?
This is when atoms share electrons.
What is Covalent Bonding?
90% of all metal refined in the world is this element.
What is Iron?
Worked extensively with radioactivity; the first woman to receive a Nobel Prize
Who is Madam Curie?
The time it takes a radioactive element to lose half of its radioactivity is called this.
What is a Half-Life?
Horizontal rows on the periodic table are called
What are Periods?
Atoms with an electrical charge.
What are Ions?
Organic Chemistry is the study of this.
What is Carbon?
Last Alchemist/Father of Modern Chemistry; did rigorous experiments.
Who is Boyle?
These rays are the most penetrating type of radiation.
What are Gamma rays?
The elements in this group are the most reactive metals.
What is group 1?
An element with the same number of protons but a different number of neutrons.
What is an Isotope?
This is how slowly a liquid flows.
What is Viscosity?
Planetary model of atom; gold foil experiments.
Who is Rutherford?
The total of the protons and neutrons is this number.
What is an atom’s mass number?
The elements in this group are the most reactive nonmetals.
What is Group 17?
You can calculate the number of neutrons in an atom by doing this.
What is subtracting the Atomic Mass from the Atomic Number?
This type of mixture is the same throughout.
What is a homogenous mixture?
Created carbonated beverages; friends with Benjamin Franklin & Thomas Jefferson.
Who is Priestley?
What is Dihydrogen Monoxide more commonly known as?
What is Water?
These are the four main columns of the Periodic Table.
What are the Alkali Metals, Alkaline Earth Metals, Halogens and Noble Gases?
The number of protons or electrons are the same as this.
What is an element’s atomic number?
This is the density of water.
What is 1g/ml?
First periodic table, left gaps for undiscovered elements; “Wild Russian”.
Who is Mendeleev?
This group best represents the periodic nature of the table.
What is the Main or Representative Group?