STAAR - Electron Configuration
3 years ago
aubreylotero
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10 QuestionsShow answers
  • Question 1
    30 seconds
    Q. If an atom has 12 protons, how many valence electrons will that atom have? 
    answer choices
    2
    10
    8
    6
  • Question 2
    30 seconds
    Q. Which atom is it who has 3 energy levels and 4 valence electrons? 
    answer choices
    Carbon
    Lithium
    Silicon
    Aluminum
  • Question 3
    30 seconds
    Q. Identify this atom: 
    answer choices
    Lithium
    Chlorine
    Phosphorus 
    Fluorine
  • Question 4
    30 seconds
    Q. What is the number of valence electrons for Carbon?
    answer choices
    12
    6
    5
    4
  • Question 5
    30 seconds
    Q. How many energy levels does Hafnium have?
    answer choices
    4
    72
    6
    cannot determine
  • Question 6
    30 seconds
    Q. How can you tell how many valence electrons an atom has? 
    answer choices
    APE MAN
    By the Group 
    By the Period
    By the atomic number
  • Question 7
    30 seconds
    Q. How can you tell how many energy levels an atom has? 
    answer choices
    APE MAN
    By the Group
    By the Period
    By the atomic mass
  • Question 8
    30 seconds
    Q. How many valence electrons does Calcium have? How many energy levels does Calcium have?
    answer choices
    2 valence: 4 energy levels 
    20 valence:  4 energy levels 
    4 valence: 2 energy levels 
    2 valence: 3 energy levels 
  • Question 9
    30 seconds
    Q. If an atom has 4 protons, how many valence electrons will it have?
    answer choices
    4
    6
    2
    0
  • Question 10
    30 seconds
    Q. What is the rule to follow when arranging electrons for a BOHR model of an atom?
    answer choices
    2-2-8
    2-8-10
    2-4-6-8
    2-8-8
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