Which element has atomic number 1?
Hydrogen
What is the chemical symbol for Iron?
Fe
Which element has atomic number 30?
Zinc
Which compound is known as dihydrogen monoxide in daily life?
Water is known as dihydrogen monoxide.
What is the common name for NaCl in daily life?
Table salt is the common name for NaCl.
Which compound is called caustic soda in daily life?
Sodium hydroxide is called caustic soda.
What is the common name for HCl in daily life?
Muriatic acid is the common name for HCl.
What distinguishes CO from CO2 in daily life?
CO is carbon monoxide known as stove poison, while CO2 is carbon dioxide.
Test your knowledge with 4 questions on First 30 Elements and Compounds.
1. Which element has atomic number 26?
2. Which sequence correctly identifies the elements with atomic numbers 18, 19, and 20?
Review the complete course in the study sheet for First 30 Elements and Compounds.
See study sheet →Import your course and AI generates flashcards in 30 seconds.
Flashcard generator