Chemistry Misc. Flashcards
Test on 10/30
Ca +2 has how many electrons?
18 electrons
What compound makes the flame change colors?
Metals
What is Bohr’s model of the atom called?
Planetary model
Ne has how many electrons?
10 electrons
Who created the first idea of an atom?
Democritus
How many neutrons does fluorine 18 have?
9 neutrons
Using oil drops to find the charge of an electron is called…
Geiger counter
An instrument used to measure electrons?
Cathode ray tube
How many neutrons does Carbon have?
8 neutrons
Who created the first periodic table?
Mendeleev
What atom moves during chemical reactions?
electrons
What atom are not found in the nucleus?
electrons
What model was made by Schrodinger?
The quantum model
What model was made by Thompson?
Plum pudding model
How many protons does Fluorine have?
9 protons
Who created the 1st atomic theory?
Dalton
Who created the proton?
Rutherford
What takes up the most volume in an atom?
The orbitals
How many electrons are in the first ring?
2 electrons
What is the mass of a proton?
1 amu
How to find the atomic mass number?
The protons + neutrons
What atom has the smallest mass?
Electrons
What atom represents the atomic number?
protons
What was the first particle discovered?
electron
