Answer:
think it helps you
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Explanation:</h2>
<em><u>The statement “the scientific process is open ended” means: Would an element with 7 valence electrons be more or less reactive than an element with 3 valence electrons? Element 1 is a hard dark-red solid</u></em>
Not sure if this is correct but i would choose the steel tray.
The sum of the mass numbers and the sum of the atomic numbers balance on either side of an equation
Answer:
b, pure.
Explanation:
an element is a pure substance and it cannot be broken down hope this helped :)