Asked by help

Which property do transition metals have in common?

They are usually very soft.
They usually have low densities.
They are usually very reactive.
They usually have high melting points.
Answered by help
Neon and argon are both in Group 18 of the periodic table. Which property do they most likely share?

A. silver color
B. metallic texture
C. low or no reactivity
D. strong odor
Answered by help
Which two elements are most likely have similar properties?

A. F and Ne
B. Ca and Sc
C. Cs and Rn
D. Li and Fr
Answered by help
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?

A. 17 - halogens
B. 1 - alkali metals
C. 18 - noble gases
D. 2 - alkaline earth metals
Answered by help
On the periodic table, lithium and beryllium are in different groups. Which statement describes why the two elements are in different groups?

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