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Science
Science(Elements,compounds and mixtures)
Question | Answer |
---|---|
What is an element? | A substance that contains only one type of atom |
All known elements are listed on a table, what is the name of this table? | The periodic table |
Iron is an element, what is its symbol? | Fe |
Zinc is an element, what is its symbol? | Zn |
Silver is an element,what is its symbol? | Ag |
Gold is an element, what is its symbol? | Au |
Sodium is an element, what is its symbol? | Na |
Copper is an element what is its symbol? | Cu |
What is a molecule? | A molecule is composed of two or more atoms chemically combined |
Give an example of a molecule | The water molecule (H2O) |
What is a compound? | A compound consists of two or more elements chemically combined |