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The majority of the periodic table is composed of
row to row
Most of the elements are metals.
elements
metals
by an atom's atomic mass
metal
hydrogen
an atom's atomic number
How did Mendeleev organize the periodic table?
row to row
Most of the elements are metals.
elements
metals
by an atom's atomic mass
metal
hydrogen
an atom's atomic number
The periodic table is composed of
row to row
Most of the elements are metals.
elements
metals
by an atom's atomic mass
metal
hydrogen
an atom's atomic number
Copper, gold and iron all have similar characteristics. They are shiny and conduct electricity. They can be hammered into a shape and drawn into wire. What classification of elements includes copper, gold and iron?
row to row
Most of the elements are metals.
elements
metals
by an atom's atomic mass
metal
hydrogen
an atom's atomic number
Today's modern periodic table is organized by what?
row to row
Most of the elements are metals.
elements
metals
by an atom's atomic mass
metal
hydrogen
an atom's atomic number
Atoms of different elements can join together in different arrangements to produce a variety of substances that are found on Earth. There are more than 100 known elements. Which of the following best describes these elements?
row to row
Most of the elements are metals.
elements
metals
by an atom's atomic mass
metal
hydrogen
an atom's atomic number
Which element makes up about 90% of the known universe?
row to row
Most of the elements are metals.
elements
metals
by an atom's atomic mass
metal
hydrogen
an atom's atomic number
In a periodic table, a set of properties repeats from
row to row
Most of the elements are metals.
elements
metals
by an atom's atomic mass
metal
hydrogen
an atom's atomic number
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