Paperclip Lab Analysis Questions

Symbols in a chemical formula represent (a)   that make up the compound or the element as a pure substance.

• the elements
• the molecules
• the atoms
• the ions

Subscripts in a chemical formula represent (a)   .

• the # atoms of the element present
• The total number of molecules
• The charge of the element
• The type of chemical bond

A chemical formula represents a compound if there are (a)   or more different elements or symbols in it.

• two

• three

• four

• five

All molecules are compounds: (a)  

• False
• True

(a)   are made of only one type/kind of atoms. (b)   are made of two or more different elements/atoms bonded chemically together. Both (c)   and (d)   are made of atoms; both can be molecules; both are pure substances.

• Elements, Compounds, elements, comp
• Compounds, Elements, compounds, ele
• Elements, Elements, compounds, comp
• Compounds, Compounds, elements, ele