Question

Consider the compound calcium nitrate, Ca(NO3)2. Which statements are true about this compound? Check all that apply. There are two atoms of oxygen. There are six atoms of oxygen. There are two nitrogen atoms. There are two calcium atoms.

Answer 1

Calcium nitrate is made up of 6 oxygen atoms, 2 nitrogen atoms and one calcium atom.

Ca(NO₃)₂

• Calcium nitrate is a compound consisting of calcium, nitrogen and oxygen compounds
• It is an inorganic compound
• It is water-absorbent and absorbs moisture from air
• Calcium nitrate has two forms, hydrous and anhydrous
• Both forms are colourless and odourless
• The reaction to form Calcium nitrate is Ca + 2NO₃ -----> Ca(NO₃)₂

• The number of oxygen atoms is: 2x3 = 6
• The number of nitrogen atoms is: 2x1= 1
• There is 1 calcium atom

Thus, calcium nitrate is made up of 6 oxygen atoms, 2 nitrogen atoms and one calcium atom.

Learn more about calcium nitrate reactions here:

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