8.6B Use the PT to identify elements in a chemical Equation

Front

What do we call the 18 parts of the table that go UP and DOWN?

Back

Groups/ Families

Front

What do we call the 7 parts of the table that go LEFT to RIGHT?

Back

Periods/ Rows

Front

What is NaHCO₃ (Baking Soda) made up of?

Back

1 sodium, 1 hydrogen, 1 carbon, 3 oxygen

Front

The blue numbers in the periodic table represent ________

Back

subscripts

Front

What is the ATOMIC MASS of Hydrogen?

Back

1.008

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What do we call a substance made of two or more elements that are chemically combined?

Back

Compound

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What do coefficients in a chemical equation represent?

Back

The number of molecules or moles of a substance.