Yes oxygen is an element it is
the 8th element
the second period
16th group
noble gas configuration [He]2s^22p^4
Answer: 0.048 kPa
Explanation: no clue i just looked it up you’re welcome y’all:)
<span>In an equation, the symbol that would indicate a mixture is c (aq). The meanings of the symbols are: (s) - solid, (l) - liquid, (g) gas, and (aq) - aqueous. Symbol (aq) means that something is dissolved in the water. It represents an aqueous solution. </span>
Answer : The correct option is, (C)
Explanation :
The formula used for the volume expansion coefficient is:
where,
= final volume of mercury = ?
= initial volume of mercury =
= volume expansion coefficient =
= change in temperature =
Now put all the given values in the above formula, we get:
Therefore, the final volume of mercury is
I believe the answer is "ions" because the definition of that word is "an atom or molecule with a net electric charge due to the loss or gain of one or more electrons."