SUBATOMIC PARTICLES Flashcards
1
Q
british chemist/physicist
A
WILLIAM CROOKES
2
Q
invented crookes tube
A
WILLIAM CROOKES
3
Q
electrical discharge tube used to study cathode rays
A
CROOKES TUBE
4
Q
the crookes tube contain a _____ and _____
A
CATHODE
ANODE
5
Q
when electricity is introduced into the tube, a ______ ray is produced
A
GLOWING
6
Q
cathode ray is _____
A
NEGATIVE
7
Q
crookes tube also known as
A
CATHODE RAY TUBE
8
Q
studied cathode rays using crookes tube
A
JJ THOMSON
9
Q
negative charged
A
CORPUSCLES
ELECTRON
10
Q
german physicist
A
EUGEN GOLDSTEIN
11
Q
first to observe postive particles
A
EUGEN GOLDSTEIN
12
Q
positive rays=
A
CANAL RAYS
13
Q
who discovered proton
A
ERNEST RUTHERFORD
14
Q
third subatomic particle
A
NEUTRON
15
Q
number of proton in atom
A
ATOMIC NUMBER
16
Q
number of neutrons and electrons
A
MASS NUMBER
17
Q
same element
same atomic number
different mass numbers
A
ISOTOPES
