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Questions and Answers
Which component of an atom is positively charged?
Which component of an atom is positively charged?
- B. electron
- A. proton (correct)
- C. neutron
- D. neutrino
What is the majority of an atom made up of?
What is the majority of an atom made up of?
- C. empty space (correct)
- A. the nucleus
- B. charged particles
- D. moving particles
Which list contains only non-metals?
Which list contains only non-metals?
- B. Helium, hydrogen, fluorine (correct)
- C. Mercury, copper, zinc
- D. Helium, hydrogen, silicon
- A. Oxygen, carbon, lithium
In which order do the states of matter generally contain the closest packed particles to the most spread out particles?
In which order do the states of matter generally contain the closest packed particles to the most spread out particles?
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Which of the following is an example of a metalloid or semi-metal?
Which of the following is an example of a metalloid or semi-metal?
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Study Notes
Atomic Structure
- The proton is the positively charged component of an atom.
Atomic Composition
- The majority of an atom is made up of empty space.
Periodic Table
- The non-metals are typically found in the Nitrogen group (Group 15) and the Carbon group (Group 14) of the periodic table.
States of Matter
- The states of matter, in order from closest packed particles to most spread out, are: solid, liquid, gas, and plasma.
Metalloids
- Silicon is an example of a metalloid or semi-metal.
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