Elements can combine to form molecules, like o2 or co2. elements combine to form molecules and these elements are joined together by chemical bonds i.e covalent bond in this molecule so option A is correct
hope this helps
<span>These particular substances produce hydroxide ions (OH−)
in aqueous solutions, and are thus classified as Arrhenius bases. For a
substance to be classified as an Arrhenius base, it must produce hydroxide ions in an aqueous solution. In order to do so, Arrhenius believed the base must contain hydroxide in the formula.</span>
Answer:
Explanation:
Recall that the energy change of a substance is given by:
Where <em>C</em> is the substance's specific heat.
Substitute in known values and solve for Δ<em>T: </em>
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In conclusion, the temperature of the mercury metal increased by 67°C.
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Answer:
<h3>,,,,,,Cubic meters ,,,</h3><h3 />