Question 1
When J. J. Thomson discovered the electron, what physical property of the electron did he measure?
◦ its charge,
e◦ its charge-to-mass ratio,
e/m◦ its temperature,
T◦ its mass,
m◦ its atomic number,
ZQuestion 2
Which is the correct formula for iron(II) phosphate?
◦ Fe
2PO
4◦ Fe
3(PO
4)
2◦ Fe
2PO
3◦ Fe(PO
4)
2◦ Fe(PO
3)
2