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College Periodic Table and Elements Questions

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College Periodic Table and Elements
A basic substance that cannot be broken down into simpler substances without loss of identity is:
  1. a compound
  2. water
  3. a molecule
  4. an element
College Periodic Table and Elements
What is the atomic number and atomic mass?
  1. number- protons mass- protons+neutrons
  2. number- electrons mass- protons
  3. number- valence electrons mass- neutrons
  4. number- valence electrons mass- protons
  5. number- protons mass- protons+electrons
College Periodic Table and Elements
POTASSIUM CHLORIDE
  1. POS
  2. POS+
  3. KCI
  4. KCI+
College Periodic Table and Elements
Which of the following properties characterizes hydrogen gas?
  1. It is a white, odorless gas
  2. It is not flammable
  3. It is a clear, pungent gas
  4. It is colorless and odorless
College Periodic Table and Elements
POTASSUIM
  1. K
  2. K-
  3. K+
  4. PO
College Periodic Table and Elements
Which of the following is NOT a possible charge of hydrogen, when it forms an ion?
  1. -1
  2. +1
  3. 0
  4. Both (a) and (b)
College Periodic Table and Elements
What is the boiling point of hydrogen?
  1. -253ºC
  2. -253 K
  3. -260ºC
  4. -260 K
College Periodic Table and Elements
Which of the following is present in quartz?
  1. silicon atoms
  2. silicon dioxide
  3. silicon doped with boron
  4. silicon tetroxide
College Periodic Table and Elements
Which of the following is present in ceramics?
  1. silicon atoms, only
  2. silicates
  3. silicon doped with arsenic
  4. silicon doped with boron
College Periodic Table and Elements
Which of the following describes the reason why graphite is a strong electrical conductor?
  1. It contains sigma bonds between the carbon atoms
  2. It contains sp3 hybridized orbitals
  3. It contains sp hybridized orbitals
  4. It contains delocalized electrons
College Periodic Table and Elements
In addition to hydrogen gas, which of the following is another possible product of the cracking process?
  1. hexane
  2. pentane
  3. an aromatic compound
  4. octane
College Periodic Table and Elements
Which of the following can react with hydrogen gas to produce saturated oils?
  1. Saturated hydrocarbons
  2. Alcohols
  3. Esters
  4. Unsaturated hydrocarbons
College Periodic Table and Elements
Which of the following linkages are present in silicone?
  1. Si-O-Si linkage
  2. Si-O-P linkage
  3. Si-Cl-Si linkage
  4. Si-F-Si linkage
College Periodic Table and Elements
Which of the following reactants are involved in the Haber Process?
  1. nitrogen and ammonia
  2. nitrogen and hydrogen
  3. ammonia, only
  4. hydrogen and ammonia
College Periodic Table and Elements
Which of the following techniques is used in gasoline production?
  1. Substitution
  2. Condensation
  3. Cracking of hydrocarbons
  4. Polymerization
College Periodic Table and Elements
Which of the following would react with methane to decompose it, forming purified hydrogen gas?
  1. carbon monoxide gas
  2. heat, only
  3. water vapor
  4. pressure, only
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