Periodic Table Flashcards
What is an element?
A substance made of one type of atom only.
What is the relative atomic mass?
It is the number of times heavier an atom is than one-twelfth of a carbon-12 atom.
What are the properties of something?
The characteristics of something.
What is a compound?
A substance formed by the chemical union of two or more elements.
What is a period?
A horizontal row in the periodic table.
What is the atomic number?
The number of protons in the nucleus of an atom.
What is a group?
A vertical column in the periodic table
What is an isotope?
Atoms of an element with the same number of protons and electrons but different numbers of neutrons.
What is abundance?
If there is a lot of something, it is described as being abundant.
What is the electronic structure?
A set of numbers to show how the electrons in an atom are arranged in shells,
What is an electron?
Subatomic particle, with a negative charge
What is a proton?
Subatomic particle with a positive charge
What is a metal?
Shiny element that is a good conductor of electricity and heat
What is an ion?
Electrically charged particle
What is a non-metal?
Element that is a poor conductor of electricity and heat
