chemistry grade 11

• Cl stands for chlorine
• John Dalton's major contribution to the atomic model was Atoms of each element are identical.
• the maximum number of electrons in the third shell is 18
• the following elements in order of increasing size is nitrogen, silicon, titanium, thallium
• the following elements in order of increasing electron affinity krypton, sodium, francium, oxygen, fluorine
• the following elements in order of increasing atomic radius:hydrogen, oxygen, sulfur, strontium, iodine
• the chemical name for NaCN is sodium cyanide
• the chemical formula for rubidium phosphate is Rb3PO4
• the following is an incorrect name: silver (I) nitrate
• electronegativity: closest to F (fluorine) is greater/highest
• electron affinity has the highest near right side (-) and lowest near left side (+)
• ionization energy increases from left to right across a period
• during transition metals is when we add roman numerals
• the chemical name for N2O3 is dinitrogen trioxide
• prefix 1 also known as mono
• prefix 2 known as di
• prefix 3 known as tri
• prefix 4 known as tetra
• prefix 5 known as penta
• prefix 6 known as hexa
• prefix 7 known as hepta
• prefix 8 known as octa
• prefix 9 known as nona
• prefix 10 known as deca
• which has greater atomic radius Cs or K?

  Cs
• which one has greater atomic radius F or Sr?

  Sr
• which one has greater atomic radius Ni or Ba?

  Ba
• which one has higher ionization energy Li or B?

  B
• which one has higher ionization energy Mg or Sr?

  Mg
• which one has higher ionization energy Cs or Al?

  Al
• which one has greater electronegativity N or As?

  N
• which one has greater electronegativity Cl or Br?

  Cl
• which one has a greater electron affinity Cl or Na?

  Cl
• which one has greater electron affinity B or C?

  C
• which one has greater electron affinity I or Br?

  Br
• which ion has greater ionic size Na or Na+?

  Na
• which ion has greater size Cl- or Cl?

  Cl-
• which ion has greater size Al or Al3+?

  Al
• molecular compound is

  2 non metals together
• ionic compound is

  one metal and one non metal together