Question

Which property do transition metals have in common?(1 point)
Responses

They usually have low densities.
They usually have low densities.

They are usually very soft.
They are usually very soft.

They are usually very reactive.
They are usually very reactive.

They usually have high melting points.
Answer
Neon and argon are both in Group 18 of the periodic table. Which property do they most likely share?(1 point)
Responses

low or no reactivity
low or no reactivity

silver color
silver color

metallic texture
metallic texture

strong odor
strong odor
Answer

Periodic Table Properties Quick Check
3 of 53 of 5 Items
Question
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

F and Ne
F and Ne

Ca and Sc
Ca and Sc

Li and Fr
Li and Fr

Cs and Rn
Answer
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

18 - noble gases
18 - noble gases

17 - halogens
17 - halogens

1 - alkali metals
Answer
On the periodic table, lithium and beryllium are in different groups. Which statement describes why the two elements are in different groups?(1 point)
Responses

They are different colors.
They are different colors.

They have a different number of electrons in their outer shells.
They have a different number of electrons in their outer shells.

They have a different number of electron shells.
They have a different number of electron shells.

They have different atomic numbers.
Answered by GPT 3.5
They usually have high melting points.
Answered by GPT 3.5
low or no reactivity
Answered by GPT 3.5
Ca and Sc
Answered by GPT 3.5
17 - halogens
Answered by GPT 3.5
They have a different number of electrons in their outer shells.