🔬✨ Periodic Table Power-Up! ⚛️🌈

Question 1

Who is credited with creating the first widely recognized periodic table? 🧭📜

Accepted Answer

Dmitri Mendeleev

Answer

Antoine Lavoisier

Answer

John Dalton

Answer

Marie Curie

Question 2

What does the atomic number of an element represent? 🔢🧪

Accepted Answer

Number of protons in the nucleus

Answer

Number of neutrons in the nucleus

Answer

Total number of protons and neutrons (mass number)

Answer

Number of electron shells

Question 3

Which element has the highest electronegativity on the periodic table? ⚡️🧲

Accepted Answer

Fluorine (F)

Answer

Oxygen (O)

Answer

Chlorine (Cl)

Answer

Nitrogen (N)

Question 4

Across a period (left → right) what generally happens to atomic radius? 📏➡️

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Answer

It first decreases then suddenly increases

Question 5

Which element uses the symbol 'K' instead of a symbol starting with its English name? 🧾🔡

Accepted Answer

Potassium (K)

Answer

Krypton (Kr)

Answer

Calcium (Ca)

Answer

Carbon (C)