7. An element found in period 4 would have how many energy levels/shells?

The atomic mass unit (amu) is a. the mass of a single atom of carbon b. one millionth of a gram c. approximately the mass of a proton d. approximately the mass of an electron

Sulfuric acid reacts with aqueous sodium hydroxide to produce aqueous sodium sulfate and liquid water. Which is the correct balanced chemical equation for this reaction description?

Which is the study of the processes within living organisms? physical chemistry biochemistry organic chemistry inorganic chemistry

What effect will the number of particles and temperature have on the rate of diffusion of gas molecules?

Periodicity is best defined as: A. the fact that elements increase in atomic mass in a regular way B. the repeating nature of physical and chemical properties with atomic number C. the regular growth of atomic size with atomic mass D.

Generally, when going down a group on the periodic table: atomic radii decrease ionic radii increase electronegativity increases reactivity decreases

Predict: What element would result from the beta decay of Bromine?

How many carbon atoms are present in 1.84 moles of C2H6O?

A student took the weighted average of the isotopes that make up one element. What was the student trying to determine?

Chemicals that cause cancer or called