elements atom and compound and acids and alkalines Flashcards
What is an element?
An element is a substance that cannot be broken down into other substance.
Where are all the elements listed?
All the elements are listed in the periodic table.
What is a chemical symbol?
A chemical symbol is a one or two letter code for an element.
What are atoms?
Atoms are particles and an atom is the smallest part of an element.
What is a compound?
A compound is a substance made up of two or more atoms strongly joined together.
what is a molecule?
A molecule is a group of two or more strongly joined together.
What is chemical formula?
Chemical formula is a formula that shows the relative number of atoms of each element ina compound.
What is a relative number?
Relative number is the number of atoms of one type compared with the number of atoms of another type is an element or compound.
What do acids taste like?
Acids taste sour.
What do alkalis taste?
Most alkalis taste soapy.
What does corrosive mean?
Corrosive means something that could burn your skin and eyes.
How do you control risks from corrosive substances?
You can control risks from corrosive substances by wearing eye protection and by keeping the solution of your skin.
