An element's atomic number is 45. how many electrons would an atom of this element have?

Warm air above large bodies of water rises into the atmosphere, carrying with it water vapor that forms clouds. Likewise, as air in the upper atmosphere cools, it falls back to the lower atmosphere, where it is warmed once again.

Unlike an acid, an aqueous solution of a base A) causes some indicators to change color B) conducts electricity C) contains more H + ions than OH - ions D) contains more OH - ions than H + ions

Why was the constitution made? who wrote it and what compromises did people clime to?

How to Round 95.1563 to two significant figures?

M=40g V=31cm^3 what is the density

In an open system, the vapor pressure is equal to the outside air pressure. T or F?

Could acetic acid be used in the esterification, instead of acetyl chloride? Why or why not?

9. In a sample of gas, what causes pressure? Answer in a completesentence.

Sodium (Na) reacts with chlorine gas (Cl2 ) to form sodium chloride (NaCl) as shown in the equation: 2Na + Cl2 → 2NaCl If 4 moles of chlorine gas react, how many moles of sodium will react?

What are transuranium elements properties?