Elements and Compounds -Study Jams Video

Which of the following cannot be broken down into something simpler?

• a compound

• an element

• a chemical formula

• a mixture

Which of these is most like a recipe?

• chemical formula

• element

• periodic table

• electron formula

What can you find on the Periodic Table?

• the chemical formula for salt

• the number of hydrogen atoms that are in a molecule of water

• all of the compounds that exist in the universe

• all of the elements that have been discovered

How many elements are there on the Periodic Table?

• 116

• 2,000

• 75

• 100

What does a subscript tell you?

• the number of electrons in a compound

• the number an element is on the periodic table

• the number of atoms of a particular element that are in a compound

• the number of elements on a periodic table

What needs to occur in order for elements to form a compound?

• an elemental reaction

• an atomic reaction

• an electric reaction

• a chemical reaction

If a compound has 2 atoms of aluminum (Al) and 3 atoms of oxygen (O), what would its chemical formula look like?

• Al3O2

• Al2O3

• 2Al 3O

• 3A 2O