What is bonding pair

Suppose that a newly discovered element called centium has 3 isotopes that occure in nature. These are centium - 200, centium - 203, and centium - 209. Assume that these isotopes occur in equal amounts in nature.

The majority of the elements essential to life are found in what part of the periodic table?

In the reactants there is a curvy arrow, what does the direction of the arrow indicate? A. because cations are sharp and anions are dull B. because the anions and cations share electrons C.

What are benthos? A. floating photosynthetic organisms B. floating photosynthetic organisms C:bottom-dwelling organisms

A table of properties of several compounds is provided.

Balance the following chemical equation: / text{CH}_ 4 + CH 4 + start text, C, H, end text, start subscript, 4, end subscript, plus / text{O}_ 2 / rightarrow 2 →start text, O, end text, start subscript, 2, end subscript, right arrow / text{CO}_2 +

How did the invention of the spectroscope in 1859 change the science of chemistry

Will zinc and sodium carbonate react?

What fraction of carbon 14 remains in an animal frozen in a glacier 18000 years ago?

How do you convert the number of molecules of a substance to the number of moles? a. add Avogardo's number b. subtract Avogardo's number c. multiply Avogardo's number d. devide Avogardo's number