A chemical reaction was used to separate a sample into its components what conclusion about the sample can be formed A it was a pure substance it was a compound Bit was a heterogeneous mixture it was a homogeneous mixture

What is the relationship between the period and the orbital radius? Select one: a. It is a direct relationship - As the period increases the orbital radius also increases. b.

What is the female sex cell that results from meiosis? O zygote O sperm O egg O bacteria

Brad is swimming in the ocean on a hot sunny day. He finds the water to be much colder than the sand on the beach, but even though the sun is warming them both. Identify the reasons for brads observation.

Which of the following is a heterogeneous mixture? Air. Salt water. Steel. Soil.

Sue places a bucket of ice on a scale and finds that it has a mass of 3.7 kilograms. If the bucket sits for a few hours and the ice turns to liquid, what will the mass of the liquid be? Explain.

What are all the elements to the left of the zigzag line in a periodic table called?

Gravitational force is produced by ___ between objects

Which is most likely the result of millions of metal atoms crowding together so that molecular orbitals become combined? A. the loss of metallic propertiesB. the formation of bands in a crystalC. the loss of valence electrons to other atoms D.

Which particles can be stopped by human skin?) alpha and beta particles only alpha particles alpha and gamma particles beta and gamma particles

How might you identify hydraulic system