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MTL200 Midterm Mostly Tested Questions and Correct Answers (100% Pass)

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  • MTL 200
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  • MTL 200

What are the three primary material eras? Stone Age, Bronze Age, Iron Age What are the four levels of Material Structures? Subatomic Structures, Atomic Structures, Micro structures, Macro structures What are the three basic materials? Metals, Ceramics and Polymers Advanced Materials se...

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  • November 19, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MTL 200
  • MTL 200
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MTL200 Midterm Mostly Tested
Questions and Correct Answers
(100% Pass)
What are the three primary material eras?


✓ Stone Age, Bronze Age, Iron Age




What are the four levels of Material Structures?


✓ Subatomic Structures, Atomic Structures, Micro structures, Macro

structures




What are the three basic materials?


✓ Metals, Ceramics and Polymers




Advanced Materials


✓ semiconductors, biomaterials, smart materials, nanomaterials




atomic number


✓ the number of protons in the nucleus of an atom, usually equals the

number of neutrons




Master01 | November, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

Isotope


✓ Atoms of the same element that have different numbers of neutrons




formula for atomic mass


✓ Atomic Number + Neutrons




mole


✓ the SI base unit used to measure the amount of a substance 6.022 x

10^23




Bohr's Atomic Model


✓ Atoms have levels surrounding the nucleus where electrons are found.

Levels can hold different amounts of electrons depending on their

distance from the nucleus.




Wave-Mechanical Model [Schrodinger's Model]


✓ Modern model of the atom, atoms have electrons in "orbitals" that are

like clouds around the nucleus




Quantum Numbers




Master01 | November, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

✓ A set of four numbers that specify the properties of atomic orbitals and

the properties of electrons in orbitals




Principal Quantum Number (s)


✓ symbolized by n, indicates the main energy level/shell occupied by the

electron. N is the row in the periodic table




Secondary Quantum Number


✓ symbol = l; tells which sublevel the electron is on and determines the

shape of the orbital; sublevels are repetitively numbered and also

lettered




Valence Electrons


✓ The electrons in the outermost shell, which participate in the bonding

between atoms.




Pauli Exclusion Principle


✓ An atomic orbital may describe at most two electrons, each with

opposite spin direction




Bonding Energy


Master01 | November, 2024/2025 | Latest update

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