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