Which elements electron configuration is 1s^22s^22p^5?
Fluorine
Which element has the most electronegativit?
Fluorine [F]
True or false
wearing jewelry is fine while dealing with chemicals.
False
What are ions held together by?
Opposite charges/electrostatic forces of attraction
What experiment did JJ Thompson do?
Cathode ray
Which elements electron configuration is 1s^22s^22p^63s^23p^64s^23d7
Manganese [Mn]
Which element has the largest atomic radius?
Francium [Fr] or Cesium [Cs]
What should You do before using a beaker?
You should check for cracks and stars
What are binary ionic compounds formed by?
A metal cation nonmetal anion
Who found the electron, neutron, and proton
Electron: JJ thompson
Proton: Ernst Rutherford
Neutron: James Chadwick
What are the 3 rules of electron configuration?
-Aufbau priciple
-pauli exclusion
-Hund’s rule
Which element has more ionization energy S or Mg
If anything spills or breaks what should you do
Get your teacher and ask them to clean it up
Why do ionic compounds have high melting and boiling points
Strong electrostatic forces
Which elements electron configuration is 1s^22s^22p^63s^23p^64s^23d104p^65s^24d^3
Niobium [Nb]
Why does [Cl] have the highest electron affinity?
its large atomic radius
What should you do if you get a chemical in your eyes
You should rinse with clean water for 20min and seek medical help
Na2CO3 ionic compounds name
Sodium carbonate
Which elements electron configuration is 1s^22s^22p^63s^23p^64s^23d104p^65s^24d^105p3
Antimony [Sb]
What is the difference between metallic and nonmetallic character?
Metalic refers to a elements tendency to lose electrons and form cations
nonmetalic is an elements tendency to gain electrons and form anions
How should you light a Bunsen burner
Turn on the gas first light a match and angle it over the burner (adjust gas to get that blue in blue flame)
mercury (l) oxide
Hg2O