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Chemical Formulas Overview

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Questions and Answers

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?

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?

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?

Two hydrogen atoms bonded together (C) Signup and view all the answers

How many elements are present in a chemical compound?

At least two different elements (C) Signup and view all the answers

What type of chemical formula is written as the simplest ratio of atoms from corresponding elements present in a compound?

Empirical formula (A) Signup and view all the answers

Which chemical formula type typically omits the line segments symbolizing bonds between atoms?

Condensed formula (A) Signup and view all the answers

Which type of chemical formula uses symbols of elements and numerical subscripts to indicate the number of each element in a compound?

Molecular formula (C) Signup and view all the answers

What does the term 'true formula' often refer to when discussing chemical formulas?

Molecular formula (B) Signup and view all the answers

In a structural chemical formula, what does the drawing of line segments represent?

Type of chemical bonds in the compound (B) Signup and view all the answers