Periodic Table Quiz

Who is credited with creating the Periodic Table?

• Albert Einstein

• Isaac Newton

• Dmitri Mendeleev

• Marie Curie

What is the symbol for the element Helium?

• H

• He

• Li

• Be

What is the atomic number of Carbon?

• 6

• 8

• 12

• 14

Which of the following elements has an atomic number of 6?

• Oxygen

• Nitrogen

• Carbon

• Hydrogen

What is the atomic weight of Carbon as shown in the image?

• 6

• 12.01

• 14

• 8

What is the noble gas configuration for Bromine (Br)?

• [He]2s²2p⁵

• [Ne]3s²3p⁵

• [Ar]4s²3d¹⁰4p⁵

• [Kr]5s²4d¹⁰5p⁵

Which of the following best describes the trend of atomic radius across a period?

• It increases due to more electron shells

• It decreases due to increased nuclear charge

• It remains constant due to balanced forces

• It fluctuates due to random electron distribution

What is the primary factor that causes the atomic radius to decrease across a period?

• Decrease in electron shells

• Increase in nuclear charge

• Decrease in nuclear charge

• Increase in electron shells

What is a key characteristic of metals in terms of electron behavior?

• Metals gain electrons

• Metals lose electrons

• Metals share electrons

• Metals do not interact with electrons

Which of the following is true about cations?

• They gain electrons

• Their ionic radius increases

• Their ionic radius decreases

• They remain neutral