7.1.1 Counting Elements flashcard

Front

How many different elements are in the compound NH₄NO₃?

Back

3

Front

How many elements are in the compound C₂H₈O?

Back

3

Front

How many elements are in NaCl?

Back

2

Front

An element is made up of ________ of atoms.

Back

Only 1 type

Front

How many Sulfers (S) are in the compound 2Al₂(SO₄)₃?

Back

6

Front

What is an element?

Back

A substance that cannot be broken down into simpler substances, made of only one type of atom.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

How do you determine the number of elements in a compound?

Back

Count the different types of atoms present in the chemical formula.

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of the element in the compound.

Front

In the compound H₂O, how many hydrogen atoms are there?

Back

2