WorksheetsLanguage of Chemistry
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
What is the name of the 16th element?
(a)
2.
When did Berzillius introduced the new method of giving symbols yo the elements?
a)
1814
b)
1815
c)
1816
d)
1817
e)
1818
3.
When did James Chadwick proposed his postulates for 'the neutrons'?
a)
1925
b)
1932
c)
1999
d)
1982
4.
________ is a negatively charged particle with a negligible mass.
a)
Electron
b)
Proton
c)
Neutron
d)
Atom
5.
Name the scientist who discovered 'the cathode rays'.
(a)
6.
Who was the first Greek philosopher that said atoms exist?
(a)
7.
Smallest particle of an element that may or may not exist on its own
a)
Atom
b)
Element
c)
Compound
d)
Mixture
100 %
