Chemistry Quiz: Elements and Compounds Formulas

A substance made up of different kinds of atoms bonded together.

A substance made up of atoms of the same kind.

Sodium chloride.

<p>By the symbols of the elements that are bonded together in the compound.</p> Signup and view all the answers

<p>CO.</p> Signup and view all the answers

<p>Two.</p> Signup and view all the answers

<p>Elements are substances made of only one type of atom, while compounds are made of two or more different elements chemically bonded together. For example, Na and Cl are elements, while NaCl is a compound.</p> Signup and view all the answers

<p>There are two different elements in sulfur dioxide (sulfur and oxygen). Each sulfur atom is combined with two atoms of oxygen.</p> Signup and view all the answers

<p>Hydrogen and oxygen make up water. The formula H₂O shows that two hydrogen atoms are combined with one oxygen atom.</p> Signup and view all the answers

<p>CO is named carbon monoxide to indicate that each molecule contains one atom of carbon and one atom of oxygen, forming a specific compound.</p> Signup and view all the answers

<p>a) Magnesium oxide, b) Sodium chloride, c) Calcium chloride</p> Signup and view all the answers

<p>Bottles of chemicals display both the chemical name and formula to provide clarity and ensure accurate identification of the substance.</p> Signup and view all the answers