Upgrade to remove ads
Periodic Table and Atomic Structure
Flash cards on periodic table and atomic structure by Conor Brennan
Terms in this set (27)
Who grouped elements into three's?
What did Aristotle believe?
Aristotle believed that everything was made of earth,air,fire and water.
Who discovered the noble gases?
What did Henry Mosley do?
He gave every element an atomic number
What did Dimitri Mendeleev do?
Left gaps for elements and predicted their properties
Who published a first chemistry text book?
What year was the first chemistry text book published?
It was published in 1789
What year was the 'law of octaves' created?
The 'law of octaves' was created in 1865
What did Neils Bohr do?
He showed that the electronbs traveled around the nucleus in a shell
What mass is the electron?
1/2000 of a hydrogen atom
Who made the first Periodic Table?
Dimitri Mendeleev created the first Periodic Table
What did Demotcritus think?
He thought all substances are atoms
What did J.J.Thompson do?
Proposed that an electron as a sub-atomic particle presents in all matter
What charge is a proton?
what charge is a neutron?
what charge is a Electron?
Who discovered the nucleus?
In the element phosphourus ⁻31 what is the number of protons?
In the element carbon ⁻14 what is the number of neutrons?
In the element argon ⁻40 what is the number of electrons?
Does a group VII element gain or loose an electron?
Gains an element
When gaining an electron does it turn to ⁺1 or ⁻1?
Is a Group VII element the more or less or the same re-activity as a Group I?
Which of these in group VII Fluorine or Chlorine?
Which of these in group VII Iodine or Potassium?
Which of these in group VII Sodium or Lithium?
Which group is more reactive, Group VII or Group VI?