SELF-ASSESSMENT
Match column A with Column B
А
1. He proposed the Law of Octaves.
2. British physicist who used X-ray to order the elements
and discovered that each element has a unique emission pattern
3. Arranged 28 elements into 6 families with
similar chemical and physical traits.
4. Associate elements with similar
properties in to groups of three or triads.
5. Was a British chemist who discovered four noble gases (neon,
krypton, and xenon)
B
A.JOHANN DOBER EINER
B.JOHN NEWLANDS
C.DMITRI MENDELEEV
D.LOTHAR MEYER
E. WILLIAM RAMSAY
F.HENRY MOSELEY​