Elements Are Organised By Their Properties Flashcards
What is an element?
An element is a pure substance made of 1 type of atom.
What does the properties of an element depend on?
Number of electrons in the atom’s shell.
How many elements are there in the Periodic Table?
118
How many natural elements are there in the Periodic Table?
90
How many artificial elements are there in the Periodic Table?
20
Can an element be broken down into something further?
No.
What are the difference between atoms and elements?
Elements are able to be observed ad has properties that can be measured whereas atoms are too small to be observed and it is extremely difficult to measure their properties.
How does the periodic table measure the elements?
Arranged based on the number of protons the atom has.
What way are periods?
Horizontally
What way are groups?
Vertically
What form are metals held in a solid state?
Lattices
What are the 3 classifications?
Metals, non metals, metalloids.
What are most non metals at room temp?
Gases.
What is a monatomic element?
Elements consisting of 1 atom.
What are some examples of monatomic elements?
Neon and helium.
