Less compassionate around the chocolate
1. D. 5
2. B. 2
3. A. fluroine
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<span>6.2×6.022×<span>1023</span>=3.733×<span>1024</span></span><span> atoms.</span>
Answer:
THE NUMBER OF PROTON ARE 11.
Explanation:
ELEMENT NAME IS SODIUM.
SYMBOL-Na.
ELECTRON-11.
NEUTRONS-12 .
Answer: 90 g O2
Explanation: soution attached:
Balance first the chemical equation
CH4 + O2 => CO2 +2H2O
Convert mass of CH4 to moles
Use the mole ratio of CH4 and O2 from the balanced equation.
Convert moles of O2 to mass using the molar mass of O2.