Pg 12 and 13
Halle What is the radius of the nucleus in metres?
10 -14
Riley When was the electron discovered?
1897
Tyler How many electrons in total can be held in the 1st 3 shells?
18
Tyler The first 5 alkali metals
Li, Na, K, Rb, Ca
Bailey How many electron shells does chlorine have?
3
Kaydee How many neutrons does sodium have?
12
Hattie When was the nucleus discovered?
1909
Owen What element has the configuration 2,8,8,1
Potassium
Jonathan What is the mass of potassium peroxide?
110
Ellis How many electrons are gained by halogens when they react?
1
Chloe What is different between Carbon 12 and Carbon 13?
Neutron
Bethany What particles were fired at the gold foil?
Alpha
Daniel Who came up with the modern periodic table?
Mendeleev
Evie What happens the reactivity of the alkali metals when the group is descended?
It increases
Alyssa What halogen will displace chlorine?
Fluorine
Charlie What is the symbol for lead?
Pb
Jamie Who came up wit the idea of electron shells?
Neils Bohr
Cameron What element did Mendeleev leave out below aluminium?
Gallium
Amyleigh What is the alkali made when sodium reacts with water?
Sodium hydroxide
Will How many halogens are gases?
2
Ellie How many elements are there?
100
Alex Who discovered the neutron
James Chadwick
Phoebe How did Mendeleev primarily order the elements though he wouldn't be super strict?
Atomic weight
IIadar What type of bonding occurs in sodium chloride?
Ionic
Alfie ALL How many neutrons does astatine have?
125