Elements And The Periodic Table 21 Flashcards
1
Q
Carbon-14 has _ protons and _ neutrons
A
6
8
(=14)
2
Q
More neutrons = more mass =
A
Heavier atoms
3
Q
_ has three isotopes
A
Hydrogen
4
Q
Hydrogen isotopes (3)
A
Protium
Deuterium
Tritium
5
Q
Protium has _ proton
A
1
6
Q
_ is the stable atom of hydrogen
A
Protium
7
Q
Deuterium has _ proton and _ neutron
A
One
One
8
Q
Tritium has one proton and _ neutrons
A
Two
9
Q
Smoke detectors use
A
Americium-241 isotope
10
Q
Americium-241 initiates a small current that, when interrupted by smoke
A
Causes detector to go off
11
Q
Isotope U-235 is used in
A
Nuclear reactors
12
Q
Under certain conditions, U-235 can split and
A
Give off a large amount of energy
