The correct answer is: [D]: "S" (sulfur).
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<u>Note</u>: The other answer choices:
[A]: "K" (potassium) ;
[B]: "Na" (sodium) ;
[C] "Mg" (magnesium) ;
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are all metals.
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Answer choice: [D]: "S" (sulfur) ; is NOT a metal; and may exist in gaseous form.
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Answer:
Your answer is ATOM
Explanation:
Atoms consist of a nucleus made of protons and neutrons orbited by electrons. Atoms are the basic units of matter and the defining structure of elements.
Basically, they are the building block of life because everything made of matter has atoms
Basic radicals (cations) have been divided into groups based on Ksp values
What do I possibly answer here?
ask a full question pls!
The moles of oxygen gas (O2) that is needed is 4 moles
Explanation
2H2 +O2 → 2H2O
The moles of O2 is determined using the mole ratio of H2:O2
that is from equation above H2:O2 is 2:1
If the moles of H2 is 8 moles therefore the moles of O2
= 8 moles x 1/2 = 4 moles
