How many Hydrogen atoms are in 4H2O?
  • 6
  • 8
  • 2
  • 4
How many Oxygen atoms are in H2O?
  • 1
  • 2
  • 0
  • 4
How many Magnesium atoms are in 10MgCl2?
  • 10
  • 5
  • 20
How many atoms are there TOTAL in H2SO4 ?
  • 6
  • 5
  • 7
  • 3
How many Sodium atoms are in 6NaCl?
  • 1
  • 12
  • 6
How many Nitrogen atoms are in (NH₄)₂CrO₄?
  • 1
  • 2
  • 8
  • 16
What is C2H8O ?
  • Element
  • Letters
  • Numbers
  • Compound
How many atoms of Hydrogen are in this compound?
sc-5 sb-3-Counting Atomsimg_no 466.jpg
  • 1
  • 2
  • 3
  • 4
How many Oxygen atoms are in Al₂(SO₄)₃?
  • 4
  • 12
  • 7
  • 24
How many Hydrogen atoms in 3(NH₄)₂CrO₄?
  • 4
  • 2
  • 8
  • 24
A subscript is the small number below the element symbol that tells the number of _______ of that element.
  • atoms
  • valence electrons
  • protons
  • elements
Which of the following is a compound?
  • Co
  • O2
  • C
  • CO2
How many Nitrogen atoms are in the in H2C3O4N5?
  • 2
  • 3
  • 4
  • 5
How many Aluminum atoms are in Al2O3?
  • 3
  • 2
  • 5
  • 1
How many elements are present in this compound? (Careful!)Mg2As3COHNi2
  • 2
  • 4
  • 6
  • 10
How many atoms are present if there is no subscript following the element symbol?
  • 0
  • 2
  • only 1
  • 1 million
Are there any compounds on the periodic table?
  • yes there are many
  • no because only elements are on the periodic table
  • I think they are?
  • there is no way to tell
How many atoms of Oxygen are in Fe(NO3)3 ?
  • 6
  • 3
  • 9
  • 1
0:0:1



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