Which of the following element combinations will likely form polyatomic ions?

cesium and chlorine

oxygen and carbon

sodium and bromine

xenon and neon

The correct name for CaH2 is

Which type of research would be used if a scientist wanted to know how sugar impacted the growth of cancer cells? A. basic B. applied C. practical D. theoretical

Which is the correct equation for the reaction of magnesium with hydrochloric acid to produce hydrogen and magnesium chloride? a. mg + 2 hcl → h2 + mgcl2 b. mg + hcl → h + mgcl c. 2 mg + 6 hcl → 3 h2 + 2 mgcl2 d. mg + 2 hcl → 2 h + mgcl2 e.

What are the arrhenius definitions of an acid and a base?

Which family or group is made of elements with almost full electron energy levels?

Describe the relationship between transmittance and the absorbance?

Are the following statements true or false? A. Two pi bonds comprise a double bond. B. Bonds formed from atomic p orbitals are always sigma bonds. C. Side-to-side overlap results in a bond with electron density above and below the bond axis. D.

Does beryllium or sodium have the same inside electron arrangement as magnesium

How do carbohydrates relate to organic chemistry

Periodic table, chemistry questions who discovered lanthanides. how did they discover it, when did they discover it.