In the ground state an atom of each of the elements in group 2 has a different

What is the atomic number of an atom that has 3 protons and 4 neutrons?

The part of a cell that gives the cell unique characteristics is the A) nucleus. B) vacuole. C) cytoplasm. D) membrane.

Tijuan mixed a solid and a liquid together in a beaker. He determined that a chemical change occurred.

What happens to the average kinetic energy of gas particles as the temperature increases? a.) Increases b.) Decreases c.) Remains the same d.) Volume changes

During which process do minerals precipitate in the spaces between sediment grains

In order to understand the prehistory of the Hawaiian island of Lana'i better, anthropologists Maria Sweeney, Melinda Allen, andBoyd Dixon used radiocarbon dating on charcoal found in an ancient dwelling site, the Kaunolu Village National Historic

German scientist alfred wiener is best known for what hypothesis?

During early research in nuclear energy, why were scientists surprised that the products from splitting a uranium nucleus had less mass than the reactants?

What are the efferent components of the facial nerve and their actions?

Suppose a variation makes an individual member of a species better adapted to its environment. how might the variation affect the individual's reproduction.