Periodic Table Key Words Revision Flashcards
What is acid rain?
Rain that has a non-metal dissolved in it.
What is a chemical property?
How a substance behaves in its chemical reactions.
What is density?
The mass of a material in a certain volume.
What does it mean to displace in chemistry?
A more reactive metal displaces - or pushes out - a less reactive metal from its compound.
What is a displacement reaction?
In a displacement reaction, a more reactive metal displaces - or pushes out - a less reactive metal from its compound.
What is a group in the Periodic Table?
A vertical column of the Periodic Table. The elements in a group have similar properties.
What is Group 0?
Group 0 is on the right of the Periodic Table. Group 0 elements include helium, neon, argon, and krypton.
What is Group 1?
The elements in the left column of the Periodic Table, including lithium, sodium, and potassium.
What is Group 7?
Group 7 is the second from the right of the Periodic Table. Group 7 elements include fluorine, chlorine, bromine, and iodine.
What is another name for Group 7 elements?
Another name for the Group 7 elements is halogen.
What are metals?
Elements on the left of the stepped line of the Periodic Table. Most elements are metals. They are good conductors of energy and electricity.
What are metalloids?
Elements near the stepped line of the Periodic Table are metalloids.
What is another name for Group 0 elements?
Another name for the Group 0 elements is noble gases.
What are non-metals?
Elements on the right of the stepped line of the Periodic Table. They are poor conductors of energy and electricity.
What is a period in the Periodic Table?
A horizontal row of the Periodic Table. There are trends in the properties of the elements across a period.
What is a physical property?
A property of a material that you can observe or measure.
What does it mean for a substance to be reactive?
A substance is reactive if it reacts vigorously with substances such as dilute acids and water.
What does it mean for an element to be unreactive?
Elements that take part in few chemical reactions are unreactive.
