Atomic Structure
Periodic table
Electron shell arrangements
periods and groups
old dead guys
100
What is the charge of a neutron?
neutral/no charge
100
How many Protons does Hydrogen have?
1
100
What is the electron arrangement of Lithium?
2, 1
100
How many electron shells do elements in period 1 have?
1
100
Who founded the model of an atom and named it "atomos"?
Democritus
200
What is the charge of a proton?
+1
200
How many neutrons are in Phosphorus?
15
200
What is the electron arrangement of Neon?
2, 8
200
How many valence electrons do elements in period 6 have?
6
200
Who claimed elements were made of multiple identical atoms
John Dalton
300
What is the charge of an electron?
-1
300
What is the name of this element?
Aluminum
300
What is the electron configuration of Sodium?
1s2, 2s2, 2p6, 3s1
300
What direction does the number of valence electrons increase?
Left to right
300
What was JJ Thomson's model of the atom called?
Plum pudding model
400
Where are protons and neutrons found?
In the nucleus
400
What's the element symbol of Helium?
He
400
What is the electron configuration of Sulfur?
1s2, 2s2, 2p6, 3s2, 3p4
400
What direction does the number of electron shells increase on the periodic table?
Down
400
What experiment did Rutherford do?
Gold foil experiment
500
Which is heavier, a proton or an electron?
Proton
500
Whats the name of the element with the element symbol Fr?
Francium
500
What element has the electron configuration 1s2, 2s2, 2p6, 3s2, 3p6?
Argon
500
What has 7 electron shells but only 1 valence electrons?
Francium
500
What did James Chadwick discover?
The neutron