Neon and argon are both in Group 18 of the periodic table. Which property do they most likely share?(1 point)

Responses

strong odor
strong odor

silver color
silver color

low or no reactivity
low or no reactivity

metallic texture

4 answers

Neon and argon are both noble gases in Group 18 of the periodic table, and they most likely share the property of low or no reactivity.

Use the periodic table to answer the question.

An illustration shows the periodic table.

Which two elements most likely have similar properties?

(1 point)
Responses

Cs and Rn
Cs and Rn

Li and Fr
Li and Fr

F and Ne
F and Ne

Ca and Sc

The two elements that most likely have similar properties are Li and Fr (Lithium and Francium). Both are alkali metals located in the same group (Group 1) of the periodic table, which means they share similar chemical properties.

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

2 - alkaline earth metals
2 - alkaline earth metals

1 - alkali metals
1 - alkali metals

17 - halogens
17 - halogens

18 - noble gases