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Gwar [14]
3 years ago
6

Question 8 of 10

Chemistry
2 answers:
MAVERICK [17]3 years ago
8 0

Answer:

6

Explanation:

if you start with 12 atoms of carbon and its called the half life of carbon what is half of 12

Vladimir [108]3 years ago
3 0

Answer:

6 Atoms

Explanation:

Ap3x

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Pleaseee helpppppppp​
ahrayia [7]

Answer:

Potassium

1s2 2s2 2p6 3s2 3p6 4s1

Explanation:

The atom having only one electron its outermost shell must belong to an element in group one of the periodic table.

Having noted that, we proceed to find out what element in group one that has the atom just described in the question.

That atom must belong to an element in the fourth period. The only group 1 element in the fourth period is potassium.

The electron configuration of potassium is;

1s2 2s2 2p6 3s2 3p6 4s1

6 0
3 years ago
Type your answer in decimal form. Do not round.<br> 7 days = hours
djyliett [7]
168.0
Hope this helps u
5 0
3 years ago
Read 2 more answers
When balance the following chemical equations N2+O2= NO2 the coefficient for O2 is
Papessa [141]

Answer:

2

Explanation:

N₂ + O₂ --->  NO₂

balance

N₂ + 2O₂ ---> 2NO₂

4 0
2 years ago
Can someone help with this please? My teacher isnt responding to any of mine or my classmates requests for help
sergiy2304 [10]

Answer:

CO2 consists of individual molecules with one central carbon atom double bonded to two oxygen atoms. Silicon does not form double bonds with oxygen. CO2 is gas but SiO2 is a solid because SiO2 has a giant molecular structure. CO2 has a simple molecular structure, and because of this, CO2 is gas but SiO2 is solid at room temperature.

6 0
3 years ago
Read 2 more answers
What don’t animal cells Need chloroplasts
yulyashka [42]

Answer:

Animals do not photosynthesize.

Explanation:

Plants use chloroplasts to capture sunlight to convert to energy in order to photosynthesize. Animals do not do this, therefore it is not needed.

8 0
3 years ago
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