Which element reacts with oxygen to create an ionic bond?

calcium

hydrogen

chlorine

nitrogen

which words best describe the following characteristic? 69.2 kg of a substance? a. extensive, quantitative b. intensive, qualitative c. intensive, quantitative d. extensive qualitative

No composto cah2, os atomos de calcio estao sob a forma de ions Cá+2. o átomo de hidrogênio está sobre forma de íons?

What does lead do to animal cells

How is power generated in a tidal power plant.

Write the symbol of the element that has an electron configuration of 1s22s22p6.

What is the oxidation number of bromine in the HBr molecule?

Which statement about Clinton s impeachment is true? A. Clinton s impeachment was supported by the majority of Americans. B. The impeachment charges were based on fraud found during the Whitewater investigation. C.

When the equation ZnS+O ZnO+SO isbalanced the coefficientof O is 1, 5, 3, or2

Radioactive elements decay at a know rate known as half-life. Choose all of the correct statements concerning half-life. Carbon-14 has a half-life of 5,730 years. A 30 gram sample will be 10 grams after 5,730 years.

I am the most reactive metal in Period 4.