Solar energy will not run out (unless the sun burns out), but the supply of fossil fuels we use is slowly depleting. Burning fossil fuel also releases greenhouse gas into the air, which is bad for the atmosphere.
Sulfur normally has 16 electrons (see the periodic table), but the 2- indicates that the atom is gaining 2 electrons. because of that, the answer would be 18.
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<span>chemicals reacting are written on the left, what is formed is written on the right after the = sign
eg Copper + oxygen = copper oxide.
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Answer:
Explanation:
We can convert the formula units to moles and then use the molar mass to find the mass.
1. Moles of Pb(MnO₄)₂
2. Mass of Pb(MnO₄)₂
The correct answer would be that they have more MASS per volume than air.
