particle model of matter Flashcards
1
Q
colliding gas particles create
A
pressure
2
Q
increasing of temperature increases its
A
pressure
3
Q
density=
A
mass/volume
4
Q
density is:
A
what the particles are made of and how the particles are arranged
5
Q
the particle in a system
A
vibrate or move around
6
Q
formula for specific latent heat
A
energy= mass x specific latent hear
7
Q
radioactive substances give out:
A
radiation
8
Q
each time a radioactive nucleus decays to become a stable nucleus the activity as a whole will:
A
decrease
9
Q
half life is:
A
the time taken for the number of radioactive nuclei in an isotope to halve
10
Q
risks of using radiation are:
A
cancer or damage to cells
11
Q
exposure to radiation is called
A
irradiation
