Writing and Naming Formulas

What is the correct name for CCl₄?

• carbon tetrachloride

• monocarbon tetrachloride

• tetracarbon monochloride

• carbon chloride

Tags

NGSS.MS-PS1-1

The chemical formula for an ionic compound of aluminum and chlorine is

• AlCl.

• ClAl.

• AlCl₃.

• Al₃Cl.

Tags

NGSS.MS-PS1-1

When adding a subscript to a polyatomic ion, you should...

• multiply any subscripts on the polyatomic ion by the subscript you are adding

• put parentheses around the polyatomic ion before adding a subscript

• write the new subscript next to any subscripts on the polyatomic ion

• put the polyatomic ion in square brackets before adding the subscript

When naming compounds, how can you tell it is an acid?

• There is a H in the front of the formula

• There are more than 2 elements in the formula

• The elements are on left and right hand side of the periodic table

• The elements are in the middle and right hand side of the periodic table

• The elements are on the right hand side of the periodic table

When naming compounds, how can you tell it is a polyatomic compound?

• There is a H in the front of the formula

• There are more than 2 elements in the formula

• The elements are on left and right hand side of the periodic table

• The elements are in the middle and right hand side of the periodic table

• The elements are on the right hand side of the periodic table

When writing chemical formulas, how do you know it is a polyatomic compound?

• The word acid is in its name

• Its name ends in

  -ate or -ite

• Its name has roman numerals

• Its name ends in

  -ide

When writing chemical formulas, how do you know it is a multivalent ionic compound?

• The word acid is in its name

• Its name ends in

  -ate or -ite

• Its name has roman numerals

• Its name ends in

  -ide

When writing chemical formulas, how do you know it is an ionic compound?

• The elements are on the left and right hand sides of the periodic table

• Its name ends in

  -ate or -ite

• Its name has roman numerals

• Its name ends in -ide

• The elements are on the right hand side of the periodic table

When writing chemical formulas, how do you know it is a molecular compound?

• The elements are on the left and right hand sides of the periodic table

• Its name ends in

  -ate or -ite

• The name contains prefixes

• Its name ends in -ide

• The elements are on the right hand side of the periodic table

When naming compounds, how can you tell it is an ionic compound?

• There is a H in the front of the formula

• There are more than 2 elements in the formula

• The elements are on left and right hand side of the periodic table

• The elements are in the middle and right hand side of the periodic table

• The elements are on the right hand side of the periodic table