Argon, krypton, and xenon are

a. noble gases.

b. lanthanides.

c. alkaline earth metals.

d. actinides.

Explain the chemical properties and reactions that may occure when fireworks are used.

A 0.530 M Ca (OH) 2 solution was prepared by dissolving 36.0 grams of Ca (OH) 2 in enough water. What is the total volume of the solution thus formed? 0.720 liters 0.917 liters 1.03 liters 1.21 liters

A certain ionic compound X has a solubility in water of 40.3 g/L at 20. degrees C. Calculate the mass X of required to prepare 500. mL of a saturated solution of X in water at this temperature.

It rate of effusion of a particular gas was measured and found to be 24.0 ml/min. under identical conditions the rate of effusion of methane gas was measured and found to be 47.8 ml/min. what is the molar mass of the unknown gas?

What is a substanceeas

What is the best explanation of why the iron found in the inner core of the Earth remains in the solid state even though the temperature in the inner core is roughly 5700 °C?

If two poisonous elements are combined chemically, which of the following will be true of the resulting compound? The compound will be as poisonous as the elements, based on the chemical properties of the two elements.

Liquid 1 reacts with liquid 2, producing a solid and a gas. using this scenario, which supports the law of conservation of mass?

Based on the measured pH values, identify the liquid tested that is 10 times more acidic than vinegar.

In protein synthesis, how many nitrogenous bases code for a single amino acid?