In order of reactivity: magnesium, iron, copper, silver
On the periodic table, the elements colored yellow, which generally border the stair -step line , are considered to be metalloids
Answer:
Explanation:
Polar molecules interact with other molecules of similar polarity to form solutions. Non-polar molecules do not interact the same way.
In a flashlight, the electrical energy becomes light energy and thermal energy in the bulb.
Answer:
Temporary hardness is a type of water hardness caused by the presence of dissolved bicarbonate minerals (calcium bicarbonate and magnesium bicarbonate). ... However, unlike the permanent hardness caused by sulfate and chloride compounds, this "temporary" hardness can be reduced by boiling the water.