Elements Flashcards
What is a element
Substance only made out of one matter
What is a compound
Pure substance that can’t be broken down
What is a mixture
Pure substance composed of at least 2 elements
What is a physical change
No new substance is made, easy to change back most of the time
What is chemical change
New colour, heat, harder to go back
What kind of charge do electrons have
Negative
Charge of protons
Positive
Neutrons
No charge
Do electrons equal the same of protons
Yes
Where do electrons go
To the shells
How many atoms do elements have
1
does all mater have elements
Yes
Where are all elements listed
Periodic table
What’s the atomic number
Amount of protons in nucleus
What’s a ion charge
It’s a electric charge that forms a atom when it gains or loses electrons
What are the 3 classifications of elements
Metals non metals and metalloids
What are metalloids
They share smar properties of metals and non metals
Where are the metalloids
They are at the diagonal line in the table
What are alkali
Highly reactive metals normally reactive to oxygen and water
What are alkali earth metals
Burn if heated used in fire works
What are halogens
Highly reactive non metals
What are noble gases
Very stable and chill like bob ross
