Sodium's atomic number is 11. What does this tell you about an atom of sodium?

A. It contains 11 neutrons.

B. It has 11 protons to lose in ionic bonds.

C. It contains 11 protons.

D. Its atomic mass is double this amount

Which best describes the behavior of atoms in a solid substance that is melting into a liquid?

A beaker contains two solutions of salt dissolved in water. The two solutions have different concentrations (measured by molarity, M) and are separated by a membrane that is permeable to salt. Side A has 0.2 M of Salt and Side B has 0.9 M of salt.

Air is warmer and less dense at the equator because the equator recieves more ...

What happens to energy when molecules are built

MHS Biology Unit 2 - Part 1 Summative Which phrase BEST describes the function of the ATP molecule? O Creates energy Absorbs energy O Stores energy Increases energy

If a diet does not provide adequate carbohydrate to meet immediate energy needs, the body compensates by altering its metabolism of other nutrients. insufficient dietary carbohydrate can lead to elevated levels of ketone bodies.

If an enzyme-mediated reaction were carried out at a temperature that was higher or lower than optimal, the vmax for the reaction would probably be

Which of the following is not a mechanism of microevolution? Group of answer choices migration (gene flow) natural selection speciation genetic drift

What weather factor is also a measurement of energy held within the air? Humidity Pressure Temperature Wind

What is the probability that, in an organism with a haploid number of 12, a sperm will be formed that contains all 12 chromosomes whose centromeres were derived from maternal homologs?