Christy is studying sodium in the following periodic table of elements. She makes the following list of possible properties for sodium:
Symbol is Na
Is a transition metal
Atomic number is 11
Has 12 neutrons
Which of these should Christy remove from this list?

Chritsy must remove option A i.e "Is a transition metal"

Explanation:

Sodium is not a transition metal. It is a group  element. Transition metal have very high density and boiling temperature like chromium which is a transition metal. Sodium do not have high density and boiling temperature.

Hence the correct option to be removed is option A i.e "Is a transition metal"

events in order:

1.       vishnu schist

2. zoroaster granite

3. bass limestone

4. hakatar   shale

5. igneous intrusion

6. shinumo quartzite

7. dox sandstone

8. tapeats limestone

9. bright angel shale

10. muav limestone

11. temple butte limestone

12. redwall limestone  

nonconformity

answer: the unkar group shows angular unconformity because the layers are turned at angle.

unconformity

answer: specifically the angular unconformity occurs between the cambrian and precambrian rocks. the dox sandstone, shinumo quartzite, hakatar shale, and bass limestone have been filled. an angular unconformity occurs between the cambrian and precambrian rocks. the dox sandstone, shinumo quartzite, hakatar shale, and bass limestone have been filled.

disconformity

answer: the disconformities aremarked irregular lines between the sedimentaryrocks layers.

carbon atoms, hydrogen, oxygen, and nitrogen.