Explanation:
sodium atom is neutral while sodium ion is a charged specie with a charge of +1
The correct answer is B. Platinum is the transition element among the choices. The elements belonging to this group are those having a partially filled d or f subshell. It usually refers to the d-block transition elements of the periodic table.
Given what we know, we can confirm that if while setting up a beaker you notice that the stirring is erratic and unstable, you should immediately turn off the stirring mechanism.
<h3>Why turn off the stirring mechanism?</h3>
- The beaker is boiling a substance, making it very dangerous.
- Unstable and erratic stirring can cause spilling or even a broken beaker.
- The best course of action is to disable the stirring until the problem is fixed.
- This will ensure the safety of everyone involved.
Therefore, we can confirm that in order to ensure the safety of all participants, if while setting up a beaker you notice that the stirring is erratic and unstable, you should immediately turn off the stirring mechanism.
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<span>B.The oxygen isotopes contain 8 electrons but each contains a different number of neutrons and protons - 8 and 10 respectively.</span>
Answer is: <span>lead changing to gold.
</span>Transmutation is the conversion of an atom of one element to an atom of another through nuclear reactions. N<span>umber of protons or neutrons in the nucleus is changed. </span>Particle accelerators and nuclear reactors used for creating elements.
