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Worksheetschapter 4 assesment
Total questions: 10
Worksheet time: 6mins
which is not the main element group
alkali metal
Alkaline earth metal
halogen
gases
which of these elements are part of alkali metal
sodium (Na)
Carbon (C)
Oxygen (O)
mercury (Hg)
which one of these are Alkaline earth metal
calcium (Ca)
Lithium (Li)
Aluminium (Al)
Neon (Ne)
which one of these are halogens
fluorine (F)
Argon (Ar)
Hydrogen (H)
Nitrogen (N)
which of these elements is a noble gas
Helium (He)
Chlorine (Cl)
Boron (B)
nitrogen (N)
what would be a transisition metal?
copper (Cu)
aluminium (Al)
Lead (Pb)
metals are good Conductors of electricity and heat
true
false
what is a lanthanide
a member of the rare-earth series of elements, whose atomic numbers range from 58 (cerium) to 71 (lutetium)
any of the elements of the actinide series, which have atomic numbers from 89 (actinium, Ac) through 103 (lawrencium, Lr)
what is an actinide
any of the elements of the actinide series, which have atomic numbers from 89 (actinium, Ac) through 103 (lawrencium, Lr)
a member of the rare-earth series of elements, whose atomic numbers range from 58 (cerium) to 71 (lutetium)
an alloy is a solid or liquid of a mixture of blank metals
(a)
