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Mamont248 [21]
3 years ago
6

What are the properties of elements related to?

Chemistry
2 answers:
Tema [17]3 years ago
7 0

The answer to your question would have to be. THE NUMBER OF ELECTRONS THAT FILL THE OUTER SHELL. hope this helps because i just took the test.

nekit [7.7K]3 years ago
5 0
The correct answer is A) the number of electrons that fill the outer shell.

Brady
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Imagine a friend is planning a rock-climbing trip. Write a note in the box explaining how gas exchange is affected at the top of
wariber [46]

Answer:

Air is less dense on a mountaintop than at sea level.

Air pressure is lower at low altitudes.

As you climb a mountain, air pressure increases.

More force pushes on the air at the bottom of an air column.

As you descend a mountain, air molecules are closer together.

Explanation:

6 0
3 years ago
What amount of heat will raise the temperature of 78g liquid water from 20 C to 80 C?
DaniilM [7]

Answer:

19656J

Explanation:

Step 1:

Data obtained from the question.

Mass (M) = 78g

Initial temperature (T1) = 20°C

Final temperature (T2) = 80°C

Change in temperature (ΔT) = T2 – T1 =

80°C – 20°C = 60°C

Specific heat capacity (C) = 4.2J/g°C

Heat (Q) =...?

Step 2:

Determination of the heat required for the reaction.

Q = MCΔT

Q = 78 x 4.2 x 60

Q = 19656J

Therefore, 19656J of heat is required.

3 0
3 years ago
What is the formula for the ion when aluminum achieves noble-gas electron configuration
amm1812

Answer:

K+

Explanation:

Potassium(an alkali metal) belongs to element in group 1 and period 4 in the periodic table. It has to release one electron to attain noble configuration.

7 0
3 years ago
Read 2 more answers
Please Help 3. Were there any metallic compounds that did not react with either the acid or the base? Write the type of metal, b
Norma-Jean [14]

Answer:

1)KNO3 ( pottasium trioxonitrate (V)

2)Ca(NO3)2 (calcium trioxonitrate (V

Explanation:

1)KNO3 ( pottasium trioxonitrate (V)

2)Ca(NO3)2 (calcium trioxonitrate (V)

Thses two compounds are metallic compounds and does not react with either the acid or the base.

Write the type of metal, based on your examination of the periodic table?

1)KNO3 ( pottasium trioxonitrate (V) have a potassium element which belongs to group 2 of the Periodic table which is an alkaline metal and can react with water or steàm

2)Ca(NO3)2 (calcium trioxonitrate (V) has calcium metal element which is an alkaline earth metal in the Periodic table and they react with Hallogens

5 0
3 years ago
What is the mass of 6.14x10^25 atoms of gold
Alexxx [7]

3452.6^15 atoms of gold.

3 0
3 years ago
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