As you move from left to right across the second period of the periodic table A. Ionization energy increases
B. Atomic mass decreases
C. Electronegativity decreases
D. Atomic radii increase

Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )

Write a balanced equation showing the formation of copper (ii) nitrite from its elements