Periodic Table Part 1 Question Preview (ID: 11147)
Physical Science.
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According to the Periodic Law
a) elements are either solids, liquids, or gases
b) mercury is a liquid at room temperature
c) Chemical and physical properties repeat when elements are arranged by atomic number
d) some elements stay in a liquid state for only a short period of time
Each column on the periodic table is called
a) group
b) period
c) element
d) property
Elements to the left of the zigzag line are
a) metals
b) metaliods
c) nonmetals
d) brittle
Mendeleev arranged the elements according to
a) atomic number
b) density
c) boiling point
d) atomic mass
The horizontal rows in the periodic table are called
a) groups
b) periods
c) atomic number
d) families
What is necessary for substances to burn?
a) hydrogen
b) oxygen
c) helium
d) carbon
Transition metals are
a) good conductors of thermal energy
b) more reactive than alkali metals
c) not good conductors of electric current
d) used to make aluminum
What element makes up about 20% of the air we breathe?
a) Nitrogen
b) Carbon
c) Oxygen
d) Helium
How do the physical and chemical properties of the elements change?
a) within a group
b) across each period
c) within a family
d) across each group
How many of the recently discovered elements follow periodic law?
a) none of them
b) every eighth element
c) half of them
d) all of them
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