# Counting Atoms In Chemical Formulas: Question Preview (ID: 18291)

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Determine the number of Hydrogen (H) atoms are in the following chemical formula: NH4C2H3O2 |
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a) 2 | b) 7 | c) 6 | d) 8 | |

Determine the number of Hydrogen (H) atoms are in the following chemical formula: 2 H2O2 |
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a) 2 | b) 4 | c) 6 | d) 8 | |

Determine the number of Oxygen (O) atoms are in the following chemical formula: 2 (NH4)2Cr2O7 |
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a) 7 | b) 14 | c) 21 | d) 28 | |

Determine the number of Oxygen (O) atoms are in the following chemical formula: Pb(NO3)2 |
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a) 2 | b) 3 | c) 6 | d) 12 | |

Determine the number of Lead (Pb) atoms are in the following chemical formula: Pb(NO3)2 |
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a) 1 | b) 2 | c) 3 | d) 6 | |

Determine the number of Carbon (C) atoms are in the following chemical formula: 4 Al2(CO3)3 |
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a) 1 | b) 3 | c) 12 | d) 24 | |

Determine the number of Nitrogen atoms are in the following chemical formula: NH4C2H3O2 |
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a) 1 | b) 2 | c) 3 | d) 4 | |

Determine the number of Chlorine (Cl) atoms are in the following chemical formula: 3 CaCl2 |
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a) 1 | b) 2 | c) 6 | d) 9 | |

Determine the number of Oxygen (O) atoms are in the following chemical formula: Ba3(PO4)2 |
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a) 4 | b) 8 | c) 24 | d) 25 | |

Determine the number of Barium (Ba) atoms are in the following chemical formula: Ba3(PO4)2 |
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a) 1 | b) 2 | c) 3 | d) 4 | |

Determine the number of Zinc (Zn) atoms are in the following chemical formula: 5 ZnSO4 |
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a) 1 | b) 5 | c) 10 | d) 20 | |

Determine the number of Hydrogen (H) atoms are in the following chemical formula: 2 (NH4)3PO4 |
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a) 1 | b) 3 | c) 24 | d) 10 | |

Determine the number of Oxygen (O) atoms are in the following chemical formula: 2 (NH4)3PO4 |
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a) 4 | b) 8 | c) 12 | d) 14 | |

Determine the number of Hydrogen (H) atoms are in the following chemical formula: NaC2H3O2 |
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a) 1 | b) 2 | c) 3 | d) 4 | |

Determine the number of Carbon (C) atoms are in the following chemical formula: NaC2H3O2 |
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a) 1 | b) 2 | c) 3 | d) 4 | |

Determine the number of Sulfur (S) atoms are in the following chemical formula: 4 Al2(SO3)3 |
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a) 1 | b) 3 | c) 12 | d) 36 | |

Determine the number of Aluminum (Al) atoms are in the following chemical formula: 4 Al2(SO3)3 |
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a) 2 | b) 4 | c) 8 | d) 18 | |

Determine the number of Hydrogen (H) atoms are in the following chemical formula: 3 H2O |
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a) 2 | b) 3 | c) 4 | d) 6 | |

Determine the number of Lithium (Li) atoms are in the following chemical formula: Li2SO4 |
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a) 1 | b) 2 | c) 3 | d) 4 | |

Determine the number of Sodium (Na) atoms are in the following chemical formula: NaCl |
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a) 1 | b) 2 | c) 3 | d) 4 | |

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