Exploring the Alien Periodic Table

The video tutorial explains the alien periodic table, focusing on the placement of noble gases, alkali metals, halogens, and metalloids. It discusses the properties of these elements, including valence electrons, atomic mass, and reactivity. The tutorial also covers the chemical makeup of the planet's oceans, comparing it to Earth's, and finalizes the placement of elements based on given clues. The explanation is detailed, ensuring a clear understanding of the periodic trends and element properties.

Which noble gas does not have eight valence electrons?

• Argon

• Neon

• Helium

• Krypton

Which element is incorrectly identified as an alkali metal?

• Potassium

• Hydrogen

• Sodium

• Lithium

Which metalloid is incorrectly placed according to its properties?

• Aluminum

• Boron

• Silicon

• Germanium

What is the most metallic element on the planet?

• Lithium

• Cesium

• Francium

• Rubidium

Which element is known as the most chemically active non-metal?

• Oxygen

• Fluorine

• Chlorine

• Bromine

What is the chemical makeup of the planet's oceans?

• H2O and KCl

• H2O2 and NaBr

• H2O and NaCl

• H2 and NaCl

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-1

Which element has four protons?

• Carbon

• Beryllium

• Boron

• Helium

Which element is a black crystal with four protons?

• Boron

• Carbon

• Oxygen

• Nitrogen

Which group do elements that gain two electrons belong to?

• Group 17

• Group 14

• Group 15

• Group 16

Which element tends to lose three electrons?

• Aluminum

• Silicon

• Phosphorus

• Sulfur