P1- matter Flashcards
1
Q
Density=
A
mass/volume
2
Q
mass of a proton
A
1
3
Q
mass of a neutron
A
1
4
Q
mass of an electron
A
0.0005
5
Q
charge of an electron
A
-1
6
Q
charge of a proton
A
+1
7
Q
charge of a neutron
A
0
8
Q
how many times smaller is the nuclear radius to the overall atomic radius
A
100000 times smaller
9
Q
1ml=
A
1cm^3
10
Q
units of density are…
A
g/cm^3 or kg/m^3
11
Q
if an object has a higher density than the liquid it’s in it will…
A
sink
12
Q
if an object has a lower density than the liquid it’s in it will…
A
float
13
Q
what’s the density of water
A
1g/cm^3
14
Q
if oils density is 0.8g/cm^3 does it sink or float in water
A
float- water has a higher density
15
Q
what is a eureka can also known as
A
a displacement can
