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Using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. Explain your answers.

Respuesta :

Answer: Gas

Explanation: Because to check temperature of a room you use a gas in then room

Be-4 Solid  

 

Mg-12 Solid  

 

Ca-20 Solid  

 

Sr-38 Solid  

 

Ba-56 Solid  

 

Ra-88 Solid  

 

All alkaline metals are solid, but have low melting points.

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