Question

listed in the item bank are key terms and expressions, each of which is associated with one of the columns. some terms may display additional information when you click on them. drag and drop each item into the correct column. order does not matter.
element
compound
o c₆h₁₂o₆ nacl mgcl₂ pb

Explanation:

Step1: Recall element - compound definitions

An element is a pure substance made of only one kind of atom. A compound is a pure substance made of two or more different kinds of atoms chemically combined.

Step2: Categorize each substance

• O is oxygen, an element as it consists of only oxygen atoms.
• $C_6H_{12}O_6$ (glucose) is a compound as it is made of carbon, hydrogen and oxygen atoms chemically combined.
• NaCl (sodium - chloride) is a compound as it is made of sodium and chlorine atoms chemically combined.
• $MgCl_2$ (magnesium chloride) is a compound as it is made of magnesium and chlorine atoms chemically combined.
• Pb is lead, an element as it consists of only lead atoms.

Answer:

Element: O, Pb
Compound: $C_6H_{12}O_6$, NaCl, $MgCl_2$