Which one of the following elements is most likely to form a 2 - ion?

Question 4 options:

a) selenium

b) scandium

c) silicon

d) strontium

e) iodine

Two proteins in the same cell perform different functions. This is because the two proteins are composed of?

What is three examples of trace fossils

1. Though Florida receives a lot of rainfall, only 1 percent remains available for people to use or drink. What happens to the rest of the water? 2.

If you decreased the volume of a sample of gas by a factor of three while maintaining a constant pressure, how would the absolute temperature of the gas be affected?

Which best describe earths magnetic field

Select the correct answer. Consider an atom that has an electron in an excited state. The electron falls to a lower energy level. What effect does that have on the electron? ОА ОВ. The electron releases energy in the form of light.

What is the volume in milliliters of 350 m koh needed to completely neutralize 15.0 ml of a. 250 m h2so4 solution?

What happens to a solid object with a density that is less than the density of water when it is placed in water?

What is a naturally occurring, inorganic solid with a definite structure and composition is called what?

How are chemical methods of determining salinity dependent on the principle of constant proportions?