Questions and Answers
What was the composition of the English army at the Battle of Hastings?
Almost entirely infantry with few archers
Who did Harold Godwinson defeat at the Battle of Stamford Bridge?
King Harald Hardrada of Norway and Tostig
What was the tactic adopted by the Normans during the Battle of Hastings?
Pretending to flee in panic and then turning on their pursuers
Which of the following statements about isotopes is true?
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What is the difference between carbon-12 and carbon-14?
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What is the primary goal of the DOE Isotope Program?
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Study Notes
The Battle of Hastings
- The English army at the Battle of Hastings consisted of housecarls (heavily armored infantry) and fyrd (part-time soldiers).
- The army was led by King Harold II of England.
Battle of Stamford Bridge
- Harold Godwinson defeated an invading Norwegian army led by King Harald Hardrada at the Battle of Stamford Bridge in 1066.
Norman Tactics at Hastings
- The Normans adopted a tactic of feigning retreat during the Battle of Hastings, which lured the English into a disorganized pursuit, making them vulnerable to Norman counterattacks.
Isotopes
- Isotopes of the same element have the same atomic number (number of protons) but differ in atomic mass (number of neutrons).
- Carbon-12 and carbon-14 are isotopes of carbon, with carbon-12 having 6 protons and 6 neutrons, and carbon-14 having 6 protons and 8 neutrons.
DOE Isotope Program
- The primary goal of the DOE Isotope Program is to produce and supply isotopes for various applications in medicine, industry, and research.
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