Decide which element probably has a melting point most and least similar to the melting point of calcium.

Decide which element probably has a melting point most and least similar to the melting point of potassium.Comparing melting point: tin indium nitrogen sodium most similar to potassium least similar to potassium

The melting point of two unknown substances are compared. One of the substances is thought to be an alkali metal and the other is a transition metal.The melting point of substance A is 63.5 °C. The melting point of substance B is 1910 °C.Predict which substance, A or B, is the transition metal.

Pure metals have high melting and boiling points.Which one of the following would you expect to have the highest melting point?NitrogenTungstenFluorineSulfur

An element reacts with oxygen to give a compound with a high melting point. Thiscompound is also soluble in water. The element is likely to be(a) calcium (b) carbon(c) silicon (d) iron

The mineral that crystallizes first from a cooling magma is the one with theGroup of answer choiceslowest solubility.highest melting point.highest solubility.lowest melting point.