Assume the half-life of a radioactive element is 250,000 years. if you start out with 16 grams of this element, how much will be left after 1.5 million years?

According to kinetic molecular theory, which of the following statements is true about the behavior of gases? a. The particles of a gas are in constant, random motion. b.

What would have to happen to be done to a plant oil to transform it into a trans-fat

What property do all of the group 18 elements have that makes them stand out from other elements?

How does alpha decay affect the mass number of a nucleus how does beta decay affect the mass number?

A person tries to pour exactly one kilogram of sand onto a scale on five different occasions. The actual amounts he pours are shown below: 0.80 kg, 0.90 kg, 1.0 kg, 1.1 kg, 1.2 kg Which of the following best describes his results? A.

What element with the highest electronegativity value? Cesium calcium helium fluorine

How many neutrons and electrons are in Oxygen⁻¹⁷ isotope?

What is science all about?

What type of change is a substance that changes form but remains the same?

Which side of the mountain experiences high temperature in windward or leeward