Which property do transition metals have in common?

Question

They are usually very soft.
They usually have low densities.
They are usually very reactive.
They usually have high melting points.

Answer 1

They usually have high melting points.

Answer 2

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

Answer 3

C. low or no reactivity

Answer 4

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

Answer 5

B. Ca and Sc

Answer 6

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

Answer 7

A. 17 - halogens

Answer 8

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.

Answer 9

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