How many oxygen atoms are present in a formula unit of sodium carbonate?

Select all the characteristics that will probably yield an ionic bond. Each answer refers to two atoms, Atom X and Atom Y. Atom X is referred to first, and Atom Y is referred to second. A. low E. N., low E. N. B. high E. N., low E. N. C. high E. N.

What is a decay series? A. A chart that lists isotopes by how likely they are to decay. B. When an unstable isotope begins to decay and emits particles that cause atoms around it to become unstable. C.

Cover three facts about continental and oceanic crust and lithospheric plates.

Which subatomic particle is used to identify an element and is unique to that element?

What is the cell potential for the reaction mg (s) + fe2 + (aq) →mg2 + (aq) + fe (s) at 71 ∘c when [fe2+] = 3.30 m and [mg2+] = 0.310 m?

What diseases have increased public awareness of infection control over the past few years?

What type of reaction is sodium reacting with chlorine

1. If temperature is increased, the number of collisions per second

1. Tonic Bonds are a. Formed when a metal and nonmetal transfer electrons b. Formed when a nonmetal and nonmetal share electrons Formed when a metal forms || bonds with other like atoms d. Formed when noble gases lose electrons

Why does the sun appear to be the brightest star in the sky? A - Its apparent brightness is much greater than other stars. B - It burns more gas, making it brighter than any other star.