Use the table to answer the following question. Properties of Elements
Element 1
• shiny
• malleable
• conductive
Element 2
• gas
. non-conductive
When these elements react to form a compound, what would you predict the properties to be?
A The compound will probably have properties of both elements like a metalloid.
B. The compound will probably have high boiling points and melting points and will be conductive in solution.
C. The compound will probably have high boiling and melting points and will not be conducive in solution.
D. The compound will probably have low boiling and melting points and will not be conducive in solution.

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answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.

the ideal gas law equation is as follows

pv = nrt

where p - pressure

v - volume

n - number of moles

r - universal gas constant

t - temperature

so if the pressure, volume and temperature are already known

we are left with n and r

since r is the universal gas constant that has a known fixed value then r too is known

so we are left with 'n'

once we know temperature volume and pressure

we can find the number of moles of gas present using the ideal gas law equation

this is not my own answer, this is an answer for the same question by the user blahblahmali. i do not claim ownership of this account.