'In 1897 physicist J.J. Thomson discovered the first subatomic particle, which was later called this'
an electron
SCIENCE CLASS: In 1897 physicist J.J. Thomson discovered the first subatomic particle, which was later called this
In 1897 physicist J.J. Thomson discovered the first subatomic particle, which was later called this
In 1897 physicist J.J. Thomson discovered the first subatomic particle, which was later called this
SCIENCE CLASS
an electron
SCIENCE CLASS