Helium, neon, argon and krypton are in the same family of elements. What does the grouping of these elements imply?Group of answer choicesThese elements can be decomposed into simpler substances.These elements were discovered by the same person.These elements have similar chemical and physical properties.These elements are noble gases and highly reactive.

What do elements sulfur, nitrogen, phosphorus, and bromine have in common? Group of answer choicesThese elements belonged to the same family or group.These elements  are noble gases.These elements have the same thermal conductivity.These elements are nonmetallic elements.

The elements in Group 18 are known as noble gases.In terms of their electron configurations, explain what the noble gases all have in common.

Which pair of elements is most likely to share similar chemical properties, as they are in the same group on the periodic table?Group of answer choicesHydrogen (H) and Helium (He)Sodium (Na) and Chlorine (ClLithium (Li) and Potassium (K)Oxygen (O) and Fluorine (F)

What group of the periodic table are the noble gases found in?Group 2Group 0Group 1Group 72Which of the following is not a property of the noble gases?They are colourlessThey have high boiling pointsThey exist as single atomsThey do not form molecules3Which is the best explanation for why the noble gases are unreactive?They all have low boiling pointsThey are all gasesThey all have full outer electron shellsThey are all large atoms4Which noble gas has the following electronic structure: 2, 8, 8?HeliumKryptonNeonArgon5The boiling point of helium is -269°C, while that of argon is -185.8° Predict the boiling point of neon:-275°C-246°C-269°C-176°C

The periodic table places elements in various groups or families, according to their physical and chemical properties.Based on their physical and chemical properties, krypton (Kr), iridium (Ir), cesium (Cs), and strontium (Sr) are classified as, respectively,aa transition metal, an alkaline earth metal, an alkali metal, and a noble gas ban alkali metal, a transition metal, a noble gas, and an alkaline earth metalca transition metal, an alkali metal, a noble gas, and an alkaline earth metal da noble gas, a transition metal, an alkali metal, and an alkaline earth metal