Is magnesium a positive or negative ion

When fibers are found at a crime scene, they become valuable only when the forensic scientist can determine where the fiber came from. true or false?

In the lungs, oxygen diffuses into the blood and is loaded onto hemoglobin for transport. In the tissues, oxygen is unloaded from hemoglobin and diffuses from the blood into nearby cells.

Will mark brainliest 35 pts 1. What happens to the soft-drink solution when you increase the amount of powder in a given amount of water? 2. How could you tell which of two different soft-drinks solutions are more concentrated? 3.

Which is an example of an energy transformation? (A) a soccer ball sitting in a field. (B) a person waiting at a crosswalk. (C) an unlit candle. (D) a boulder falling off a tall cliff.

What type of energy is the sum of an object's potential and kinetic energy? O mechanical energy electromagnetic energy O chemical energy Othermal energy

Given the following information, calculate the mass for B-11. B-10 has a natural abundance of 19.9 percent, while B-11 has a natural abundance of 80.1 percent. The mass of B-10 is 10.013 amu.

How many moles of oxygen react with 0.23 moles of NH3

How many moles of carbon do you have in 100 quadrillion carbon atoms? report answer to 2 sig figs

A small 15 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

Liquid water is heated until it boils and becomes water gas. Which statement is true about the water?