An Mgion has the same electron configuration as?

A) Ar

B) Na°

C) Ca2+

D) F-

Convert 14 millimeters to it equivalent in meter

Explain What are two factors that determine the thermal energy of a substan

An atom of potassium with a mass number of 40 is known as K-40. Use the periodic table to determine how many neutrons are present in an atom of K-40. Type the correct answer in the box. Use numerals instead of words. One atom of K-40 has neutrons.

Josh prepares a solution by mixing sodium nitrate with water. To calculate the molarity of the solution, josh should calculate the moles of which substance, and why?

The amount of heat energy required to raise the temperature of a unit mass of a material one degree is A. absolute zero. B. a Joule. C. its heat capacity. D. a Btu.

How many atoms are in 0.075 mol of titanium? Proper keying of scientific notation: N x 10^exp or N x 10e (exp) examples: 5.6 x 10^-3 or 5.6 x 10e-3

What holds a proton together? A) neutron B) residual strong force C) strong nuclear force D) weak nuclear force

Briefly describe what Planck and Einstein contributed to the concept of Quantum Theory

All of the following are examples of chemical properties except All of the following are examples of chemical properties except the rusting of an iron nail left out in the rain. the ability of a drain opener to unclog a drain using sodium hydroxide.

7.456 g sample of UF6 is added to water. 6.53 g of a solid containing U, F and O and 1.69 g of a gas are formed. The gas is 5% H and 95% F by mass. a.