1c atomic structure

Question 1

what is an atom

Answer 1

the smallest particle of a chemical element that can exist.

Question 2

what is a molecule

Answer 2

​formed​ ​when​ ​atoms​ ​join​ ​together​ ​by​ ​chemical​ ​bonds​ ​(can​ ​be​ ​made of​ ​atoms​ ​of​ ​the​ ​same​ ​element)

Question 3

structure of proton

Answer 3

relative mass=1
relative charge=+1
postion=nucleus

Question 4

structure of neutron

Answer 4

relative mass=1
relative charge=0
position=nucleus

Question 5

structure of electron

Answer 5

relative mass=1/1836
relative charge=-1
position= in shells around nucleus

Question 6

what is the atomic number​

Answer 6

​number​ ​of​ ​protons

Question 7

what is the mass number

Answer 7

​number​ ​of​ ​protons​ ​+​ ​neutrons

Question 8

what is the relative atomic mass

Answer 8

​an​ ​average​ ​value​ ​that​ ​takes​ ​account​ ​of
the​ ​abundance​ ​of​ ​the​ ​isotopes​ ​of​ ​the​ ​element