Answer:
titanium (I) chloride
Explanation:
Tin has a chemical formular of "Sn"
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Answer:
Fortunately, Earth retains heat fairly well, so humans wouldn't freeze instantly. Without the Sun's rays, all photosynthesis on Earth would stop. All plants would die and, eventually, all animals that rely on plants for food — including humans — would die, too.
An isotope of an element has the same amount of protons and electrons. Only the amount of neutrons differ. In ions the amount of electrons change. Since this is an isotope of potassium, it would still have 19 electrons, same as protons. Hope I helped!
The gram formula mass of Na2SO4 is 23*2+32+16*4=142. And the mass for sodium is 23*2=46. So the percent by mass is 46/142*100%=32.4%.