lemonsalt9378

20.09.2020 • 

Chemistry

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1
The table shows the physical properties of
four elements. Which element is classified as
a metalloid?
(25 Points)
Element
Luster
Titanium
Shiny,
white
Malleability
Can be rolled into
thin sheets easily
Brittle, breaks
easily
Can be shaped
into thin sheets
Selenium
Conductivity
Conducts heat
And electricity
Poor conductor of
heat or electricity
Conducts heat
and electricity
Semi-conductor
of electricity and
heat
Dull
Potassium
Silvery,
shiny
Can somewhat be
shaped into sheets
Polonium
Metallic
Titanium
Selenium
Potassium
Polonium

Ответ:

heyyyyy117

30.10.2021

Chemistry

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There is an easy way to tell whether the graph of a quadratic function opens upward or downward: if the leading coefficient is greater than zero, the parabola opens upward, and if the leading coefficient is less than zero, the parabola opens downward.

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