The compound, a2z3, is a made-up compound. if this is an ionic compound, name two elements that a & z may be?

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If A₂Z₃ is an ionic compound, the ions that form it would be A⁺³ and Z⁻².

The atoms that can form A⁺³ ions are in the 13th group of the periodic table, so two elements that can be A are Aluminum (Al) and Galium (Ga).

The atoms that can form Z⁻² ions are in the 16th group of the periodic table, so two elements that can be Z are Oxygen (O) and Sulfur (S). 

Al₂O₃ (Aluminum Oxide) is an example of an A₂Z₃ compound

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In meteorology, a  cloud  is an aerosol consisting of a visible mass of minute liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body. nephology is the science of  clouds, which is undertaken in the  cloud  physics branch of meteorology.cirrus clouds  usually describe clouds high in the atmosphere that can include wispy clouds, typically with ice crystals. variations include cirrus, cirrocumulus and cirrostratus as defined by the cloud's position in the atmosphere.layered stratus clouds  have both flat tops and bases, and can appear as if they take up the whole sky, stretching from horizon to horizon. other combinations and variations include stratus, stratocumulus, nimbostratus and altostratus.cumulus clouds  often pile up in multiple layers of the atmosphere, representing clouds that develop vertically. cumulus clouds often look like pillars with anvil-type tops or columns of clouds stacked vertically. variations include cumulus, cumulus-congestus, cumulonimbus and altocumulus.

It conforms what ever surface its in.