Atomic Theory
This scientist theory states that atoms are tiny, hard and uncuttable. water atoms are round and fire atoms have sharp edges.
Who is Democritus?
The three subatomic particles found in an atom.
What are protons, neutrons and electrons? (answer is not in a particular order)
Draw the Bohr's Model Structure of Nitrogen
First level: 2e-
Second level: 5e-
Write the electron configuration of Aluminum
What is 1s22s22p63s23p1 ?
Losing a particle that is the equivalent of gaining one electron, adds 1 to the atomic number.
What is beta decay?
This scientist theory says that atoms are divisible units composed of positive charges in the nucleus and negative charges orbiting around the nucleus
Who is Dalton?
Contains negatively charged particles that orbit around the nucleus
What is electrons?
Draw the Bohr's Model Structure of Chlorine
First level: 2e-
Second level: 8e-
Third Level: 7e-
Read the following configuration 1s22s22p63s23p64s23d9
What element does this correspond to?
What is copper (Cu)?
what is alpha decay?
this scientist theory states that electrons are limited to circular orbits around the nucleus, similar to how the planets orbit the sun.
who is Bohr?
Changing the mass of an element, changes the number of neutrons found in the nucleus.
What is an isotope?
Draw the Bohr's Model Structure of Calcium
First level: 2e
second level: 8e
Third level: 8e
Fourth level: 2e
Write the noble gas configuration of Europium (Eu)
What is [Xe] 6s24f7
the atomic mass and the atomic number don't change but waves of this type of particle are emitted.
what is gamma decay?
This scientist produced the theory that an atom is a sphere of positive charge with a few negatively charged particles called electrons, distributed in the nucleus like raisins in pudding.
who is Thomson?
The identification of an element on the periodic table. Equivalent to the number of protons and electrons of an element.
What is the atomic number?
How many valence electrons are there in Indium?
what is 3 valence electrons?
Write the noble gas configuration of Cadmium
what is [Kr] 5s24d10 ?
Write the alpha decay of Germanium with an Isotopic mass of 80. What should be the new element formed?
what is zinc or Zn?
This scientist developed a theory, a way to find electrons within a space surrounding the nucleus. The cloud is denser where the probability of finding the electron is high. The cloud is less dense where the probability of finding the electron is low.
Who is Schrodinger?
The nucleus contains these positively charged protons and neutrally charged neutrons. Tells us how much one atom of an element weighs.
What is the atomic mass?
How many valence electrons will always be present in the Halogen group (Group 17)?
What is 7 valence electrons?
Write the electron configuration of Molybdenum with a +2 charge
Mo+2
What element shares this same configuration? (extra 500 points)
What is 1s22s22p63s23p64s23d104p65s24d2?
What is Zirconum or Zr?
Write the beta decay of Mercury. What is the new element that is formed?
What is Thallium?