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PHSC 210 - Exam 1 - CH.1-3 Questions and Answers $13.99
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PHSC 210 - Exam 1 - CH.1-3 Questions and Answers

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PHSC 210 - Exam 1 - CH.1-3 Questions and Answers

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  • December 28, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PHSC 210
  • PHSC 210
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PHSC 210 - Exam 1 - CH.1-3 Questions
and Answers




Out of the 4,900 minerals known, only... - Answer-100 are common



What are the 5 mineral attributes? - Answer-Naked Indians Sometimes Catch Dragonflies

1. naturally occurring

2. inorganic (eg. coal/pearls are organic)

3. solids

4. crystalline

5. definite chemical formula



Atom - Answer-the smallest particle of matter that cannot be split into simpler substances by chemical
processes (made of protons, neutrons {both in nucleus} and electrons {orbit nucleus})



Element - Answer-a material with characteristic physical and chemical properties that cannot be broken
down into a simpler substance by chemical processes

, What is the top (bigger) number of an element in the periodic table? - Answer-The atomic mass (made
of protons and neutrons)



What is the lower (smaller) number of an element in the periodic table? - Answer-The atomic number
(proton number only)



Isotopes - Answer-atoms with varying numbers of neutrons (this changes the atomic mass)



How do atoms form compounds? - Answer-by combining with other atoms



What do chemical bonds involve? - Answer-electrons sharing/donating with each other. Valence
electrons control bonding



Octet rule - Answer-atoms will fill or empty their outermost valence shell



What are the 3 types of bonds? - Answer-ionic, covalent and metallic



What is an ionic bond? - Answer-when atoms TRANSFER (donate/receive) electrons between the atoms



What are cations? - Answer-positive atoms



What are anions? - Answer-negative atoms



What is a covalent bond? - Answer-when two or more electrons are SHARED between atoms



What is a metallic bond? - Answer-it allows for the movement and flow of electrons between valence
shells

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