Chemical Elements 7–12

Questions

1. Read a table What is the symbol for oxygen?

   O F Na Ne
2. Read a table Which element has the symbol Ne?

   Neon Oxygen Magnesium Nitrogen
3. Read a table What is the atomic number of nitrogen?

   9 10 8 7
4. Vocabulary What is an atomic number?

   how many letters are in its symbol how heavy a gram of the element is the year an element was found the number of protons in each atom of an element
5. Text features What does each row of the table show?

   one fact for every item the source of the facts the title of the table the facts for one element

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