Cloudy skies and precipitation. Rain is normally caused by water vapor within the condensation of the low pressure system.
Answer:
D. 1:1
Explanation:
For every 1 mole of chlorine (Cl₂), there is one mole of calcium chloride (CaCl₂).
So, the mole ratio of chlorine to calcium chloride is 1:1.
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Answer:
1
Explanation:
4 HBr + O2 → 2H 20 + 2Br 2
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Answer:
7
Explanation:
The mass number is neutrons plus protons
Write the symbols for the cation and the anion: Mg and Cl. Determine the charge on the cation and anion. If the cation has a Roman numeral after it, that is the charge on that cation. Cations receive Roman numerals when they can take more than one ionicform.
periodical table and write caculatoin numbers
