Sci quiz 5\9\23 Flashcards
1
Q
Which scientist was a Greek philosopher
A
Democritus
2
Q
Who created the periodic table
A
Dmitri Mendeleev
3
Q
Which scientist had 4 parts to his theory on atoms?
A
John Dalton
4
Q
True or False? Dalton believed atoms cannot be divided.
A
True
5
Q
A negative charged particle is called ____.
A
Electron
6
Q
What positively charged particles are called ____.
A
Protons
7
Q
The nucleus of an atom is in the center of the sun in the ____.
A
Solar system
8
Q
Whose theory led to the moving of particles?
A
Niles Bohr
9
Q
What is the symbol of positive charge?
A
Plus sign
10
Q
Which country did she say in class was a neutral charge?
A
Switzerland
