Writing Formula

Question 1

Whats a diatomic element? Name 7

Answer 1

Two atoms chemically joined together

Hydrogen (H2)
• Nitrogen (N2)
• Oxygen (02)
• Fluorine (F2)
• Chlorine (Cl2)
• lodine (I2)
• Bromine (Br2)

Question 2

Name some elemnrs

Answer 2

• Hydrogen (H)
• Helium (He)
• Lithium (Li)
• Beryllium (Be)
• Boron (B)
• Carbon (C)
• Nitrogen (N)
• Oxygen (0)
• Fluorine (F)
• Neon (Ne)
• Sodium (Na)
• Magnesium (Mg)
• Aluminium (Al)
• Silicon (Si)
• Phosphorus (P)
• Sulfur (S)
• Chlorine (CI)
• Argon (Ar)
• Potassium (K)
Calcium (Ca)

• Fluorine (F)
• Neon (Ne)
• Sodium (Na)
• Magnesium (Mg)
• Aluminium (Al)
• Silicon (Si)
• Phosphorus (P)
• Sulfur (S)
• Chlorine (Cl)
• Argon (Ar)
• Potassium (K)
• Calcium (Ca)
• Iron (Fe)
• Copper (Cu)
• Zinc (Zn)
• Silver (Ag)
• Gold (Au)
• Lead (Pb)
Hydrogen (H)
Helium (He)
Lithium (Li)
Beryllium (Be)
Boron (B)
Carbon (C)
Nitroaen (N)
Oxygen (0)

Question 3

What’s a compound?

Answer 3

A substance made from two or more different atoms that have chemically joined together