Chemical symbols can have one or two letters. The first letter of a chemical symbol is always a ________________ letter.

Chemical symbols can have one or two letters. If it has two letters, the second letter is always a __________________ letter.

Compared to the number of known elements, only a ________________ number of elements make up the Earth’s crust.

Compounds are represented by chemical ________________.

Compounds are pure substances.

Compounds are _______ or more elements chemically combined together.

Compounds like water (H₂O) ______________ be found on the periodic table.

Which substance is a pure substance?

Is CO and element or compound?

Is Cu and element or compound?

Is H₂O and element or compound?

How many atoms are in this chemical formula? C₆H₁₂O₆

How many atoms are in this chemical formula? CaCO₃

Which are 3 physical properties of metals?

What state of matter are most metals at room temperature?

A chemical reaction combines two or more different substances to create a _____________ substance with ____________________ properties.

Examples of things that are NOT chemical changes include: (check all that apply)

Examples of things that are signs chemical changes include: (check all that apply)

Using your period table in your notebook: What type of element is Cu (#29) on the periodic table

Using your period table in your notebook: What type of element is Si (#14) on the periodic table

Which element is Ag (#47) on the periodic table?

Which of these would be true about the element is Ag (#47) on the periodic table?

Which two of these is likely to have the properties of both metals and nonmetals?