chapter 2 Flashcards
structure of atom (14 cards)
1
Q
mass of an electron in kilograms?
A
9.1 x 10^-31 kg
2
Q
True or False: A proton has a negative charge.
A
False
3
Q
mass of a neutron is approximately ______ kg.
A
1.675 x 10^-27 kg
4
Q
What is the charge of a proton in coulombs?
A
1.6 x 10^-19 C
5
Q
What is the charge of an electron?
A
-1.6 x 10^-19 C
6
Q
mass of proton
A
1.673 x 10^-27
7
Q
charge of neutron
A
no charge
8
Q
1 pm
A
10^-12 m
9
Q
1 nm
A
10^-9m
9
Q
1cm
A
10^-2m
9
Q
1 mm
A
10^-3m
9
Q
1dm
A
10^-1m
9
Q
1 km
A
10^3m
10
Q
1m
A
10^6
