Neon and argon are both in Group 18 of the periodic table. Which property do they most likely share?(1 point)
Responses
metallic texture
metallic texture
silver color
silver color
low or no reactivity
low or no reactivity
strong odor
low or no reactivity
A scientist studies an element that has seven electrons in its outer shell, is fairly toxic, is a gas at room temperature, and is highly reactive. To which group of the periodic table does this element belong?(1 point)
Responses
1 - alkali metals
1 - alkali metals
2 - alkaline earth metals
2 - alkaline earth metals
18 - noble gases
18 - noble gases
17 - halogens