Foundation Chemistry - Final Exam Practice

Questions from previous exams

11 cards   |   Total Attempts: 182
  

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Cards In This Set

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What is the symbol for hydrogen, its molecule, its ion, and how many valence electrons?
H, H2 (hydrogen gas) and H+ (hydrogen) sometime H- (hydride)
it has 1 valence electron and is capable of having two in its outer shell
What is the symbol for Helium and its ion?
He and Helium is a noble gas so it has a full outer shell and no ion
What is the symbol for Lithium, its ion, and how many valence electrons?
Li, Li+
it has one valence electron and it loses it to become a positive ion
What is the symbol for Beryllium, its ion, and how many valence electrons?
Be, Be2+
it has 2 valence electrons that it loses to become a positive ion
What is the symbol for Boron, its ion, and how many valence electrons?
B no ion
forms covalent bonds
has 3 valence electrons which it shares???
What is the symbol for Carbon, its ion, and how many valence electrons?
C and no ions
Carbon forms covalent bonds and is the foundation of organic chemistry
it has 4 valence electrons that it shares
What is the symbol for Nitrate, its molecule, its ion, and how many valence electrons?
N, N2, N3- (nitride)
it has 5 valence electrons and gains 3 to become a negative ion
What is the symbol for Oxygen, its molecule, its ion, and how many valence electrons?
O, O2, O2-(oxide)
it has 6 valence electrons and gains 2 electrons to become a anion
What is the symbol for Fluorine, its molecule, its ion, and how many valence electrons?
F, F2, F- (fluoride)
it has 7 valence electrons and gains 1 to become an anion.
What is the symbol for Neon, its ion, and how many valence electrons?
Ne, no ions as it is a noble gas and has a full outer shell.
What is the symbol for Sodium, its ion, and how many valence electrons?
Na, Na+
it has 1 valence electron and loses it to become a cation