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Atomic Structure
  • 1. These are substances that made up of one kind of atom
A) molecule
B) Element
C) compound
D) ion
  • 2. An atom is made up of time particles called
A) proton, neutron, electron
B) proton, plasma, molecule
C) plasma, proton, neutron
D) element, neutron,
  • 3. The positive (+) particle of an atom is
A) plasma
B) proton
C) neutron
D) electron
  • 4. The negative (-) particle of an atom is
A) neutron
B) proton
C) electron
D) element
  • 5. What is the charge of neutron?
A) none
B) negative
C) positive
D) both
  • 6. What are the particles located at the nucleus?
A) proton and neutron
B) proton and plasma
C) electron and proton
D) neutron and electron
  • 7. What particles orbit around the nucleus?
A) protons
B) electrons
C) neutrons and protons
D) neutrons
  • 8. How elements are arranged in the periodic table?
A) according to atomic number
B) according alphabetical order
C) according to number of ions
D) according to atomic mass
  • 9. An element has 5 protons and 7 electrons. What is its atomic mass?
A) none
B) 7
C) 5
D) 12
  • 10. If an element as an atomic number of 8 and a mass number of 17, what is the number of neutrons?
A) 8
B) 9
C) 10
D) 7
  • 11. I have 19 atomic number, what element am I?
A) silver
B) copper
C) gold
D) potassium
  • 12. What number is equal to the number of proton in the atom?
A) element
B) molecule
C) electron
D) neutron
  • 13. How many neutrons in sodium -23 (Na-23)?
A) 11
B) 12
C) 17
D) 15
  • 14. These are element with the same number of protons but with different number of neutrons
A) isometric
B) compound
C) isomers
D) isotope
  • 15. A charge atoms is called
A) compound
B) ion
C) element
D) positive
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