No. 1 Flashcards
Where is a Proton found in an Atom?
The nucleus
Where is the Electron found in an Atom
The outer shells
Where is the Neutron found in the Atom?
The Nucleus
What Charge does an Electron have?
1
What mass does a Electron have?
1/1840
What mass does a Neutron have?
1
What charge does an Electron have?
-1
What charge does a Proton have?
+1
What charge does a Neutron have?
0
“True or False” Electrons and Protons are the same thing?
True!
Which is (Usually) bigger? The Mass Number or the Atomic number?
The Mass Number
What does the Atomic number consist of?
Number of Protons (Or electrons)
What does the Mass number consist of?
Number of Protons and Neutrons
How do you find the number of Neutrons in an Element ?
The Mass Number - The Atomic Number
Name where all the metals are 1-5
Alkali Metals Group 1 Alkaline earth Metals Group 2 Transition Metals Group 2&3 Halogens Group 7 Noble Gases Group 0
What happens when you mix Water with Alkali Metals?
Fizzes across the surface, metal disappears, heat given out, potassium catches fire and burns with a lilac flame
What does the periodic table display?
All the elements
Who argued that everything in the work was made up of particles so could not be cut in half?
Democritus
What did Dimocritus called these tiny particles?
Atoms
What Greek word does Atoms come from and what does it mean?
Atomos and it means tiny
How are the Atoms organised on the periodic table?
Atomic number
When did John Dalton refine his idea?
1800’s
Name the colours of the Halogen Elements
Fluorine - Pale Yellow gas
Chlorine - Yellow/green gas
Bromine - red/brown liquid
Iodine - dark grey solid that turns into purple vapour when heated
What is so special about group 1? (Alkaline metals)
It gets more reactive as you go down
What is the word equation about Potassium?
Potassium + Water-> potassium hydroxide + Hydrogen
