ATOMS Flashcards
1
Q
what is an Atom
A
the smallest particle of a chem element that can exist
2
Q
whats a subatomic particle?
A
proton,neutron,electron
3
Q
in a element whts the little number called in the corner
A
proton or numb of elec [ atomic numb
4
Q
wht does electron and proton create?
A
a electrical force which makes a atom
5
Q
what is a nucleus?
A
the centre of a atom
6
Q
what is nucleon number?
A
mass number = protons + neutrons.
7
Q
how do atoms form irons?
A
they gain and lose atoms
8
Q
how can u form a posotive iron
A
by losing elec
9
Q
how can u form negative irons?
A
by gaining elec
10
Q
wht are isotopes?
A
isotopes are atoms of same elem they have same numb of proton diff numb of neutro
11
Q
whats a compound?
A
substance which form 2 or more diff types of elem
12
Q
whats a element?
A
pure substance which form only one type of atom
