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Questions and Answers
What does a chemical formula indicate?
What does a chemical formula indicate?
- The number of atoms of each element present in a chemical compound (correct)
- The physical state of the chemical compound
- The taste of the chemical compound
- The color of the chemical compound
In the chemical formula H2O, what does the subscript '2' represent?
In the chemical formula H2O, what does the subscript '2' represent?
- Number of helium atoms
- Number of hydrogen atoms (correct)
- Number of oxygen atoms
- Number of nitrogen atoms
What is the difference between a chemical compound and a molecule?
What is the difference between a chemical compound and a molecule?
- Chemical compounds always contain atoms from the same element, while molecules don't
- Molecules always contain atoms from at least two different elements, while chemical compounds don't
- There is no difference between chemical compounds and molecules
- Molecules may be composed of atoms from the same element, while chemical compounds always contain atoms from different elements (correct)
What is diatomic hydrogen composed of?
What is diatomic hydrogen composed of?
How many elements are present in a chemical compound?
How many elements are present in a chemical compound?
What type of chemical formula is written as the simplest ratio of atoms from corresponding elements present in a compound?
What type of chemical formula is written as the simplest ratio of atoms from corresponding elements present in a compound?
Which chemical formula type typically omits the line segments symbolizing bonds between atoms?
Which chemical formula type typically omits the line segments symbolizing bonds between atoms?
Which type of chemical formula uses symbols of elements and numerical subscripts to indicate the number of each element in a compound?
Which type of chemical formula uses symbols of elements and numerical subscripts to indicate the number of each element in a compound?
What does the term 'true formula' often refer to when discussing chemical formulas?
What does the term 'true formula' often refer to when discussing chemical formulas?
In a structural chemical formula, what does the drawing of line segments represent?
In a structural chemical formula, what does the drawing of line segments represent?
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