Asid dan bes (Acids and Bases)
asid dan bes (Malay Language)
Unit 12 Chemistry Review
A chemistry review.
Pharmacognosy
การควบคุมคุณภาพมาตรฐานสมุนไพร (Quality control of herbal standards)
Átomos (Atoms)
Biología
Atomic Radius in the Periodic Table (Arabic) نصف القطر الذري
Answer the 4 questions correctly to get the bases loaded and score.
Oxidation Number Rules
Rules for Assigning Oxidation Numbers
Science Affixes and Roots
Affixes and Roots of words
Cosmetology: Fun with color
Review of chapter 21 in Malady Standard Cosmetology
Latih Tubi Kimia Chemistry
Chemistry Exercise
Periodic Table
Guess the element's by their period, group, symbol, names, type and atomic mass