Which statement describes a chemical property of iron?

Iron oxidizes.

Iron is a solid at STP.

Iron melts.

Iron is attracted to a magnet.

Which of the following is true of science? It does not change once a law is discovered. It reflects the personal opinions and beliefs of scientists. It is a body of knowledge gained using inquiry and experimentation.

Which substance has the greatest molecular mass

What are isotopes? how are they different from each other?

What state of matter takes the shape of its container regardless of how much of it is present

Which of the following statements is true? A. Igneous rocks form from the cooling and crystallization of magma. B. Fossils are frequently found in metamorphic rock. C. Sedimentary rocks are formed as a direct result of chemical weathering. D.

Which is not a characteristic of a compound? It is a mixture of elements. It has properties that differ from its component elements. It has a fixed proportion of elements.

Can you think of other possible ways scientists can determine what climate was like in the past besides studying ice cores?

Which sub-layer thins out into space, where there is no air

Complete and balance the molecular equation, including phases, for the reaction of aqueous ammonium bromide, nh4br, and aqueous lead (ii) acetate, pb (c2h3o2) 2.

A magnesium atom has 2 valence electrons in its third shell. Which is a TRUE statement about what happens when it forms an ion? A. It will be an anion. B. It will have more electrons than protons. C.