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dem82 [27]
2 years ago
11

5) Why do elements in the same family generally have similar properties?

Chemistry
1 answer:
Sever21 [200]2 years ago
4 0

Answer: Elements in the same family generally have similar properties because they contain the same number of the electrons, for instance.

Hope this helped!

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20 POINTS!!!
muminat
I would say it is a function of all of the choices. if not then the answer is the circulatory system
4 0
3 years ago
In the northern hemisphere, the wind blows clockwise around centers of high pressure. The wind blows counterclockwise around low
STatiana [176]
Since you're only asking for the last 3 items, here are the answers:
3. Maine is located in the northern hemisphere. If there is a high pressure, the wind is blowing clockwise. If there is a low pressure, the wind direction will be in the opposite direction.

4. Colorado is in the northern hemisphere. If there is a low pressure, the wind is going counterclockwise. If there is a high pressure, the opposite is true.

5. There is no map so I can't give you the exact answers.
8 0
3 years ago
How much time would it take for 12000 atoms of nitrogen-13 (half-life is 7.13 s) to decay to 750 atoms?
Rainbow [258]
<h3>Answer:</h3>

28.52 seconds

<h3>Explanation:</h3>

Initial number of atoms of Nitrogen 12,000 atoms

Half-life = 7.13

Number of atoms after decay = 750 atoms

We are required to determine the time taken for the decay.

Note that half life is the time taken for a radioactive isotope to decay to a half of its original amount.

Using the formula;

Remaining amount = Initial amount × (1/2)^n , where n is the number of half lives

In our case;

750 atoms = 12,000 atoms × (1/2)^n

0.0625 = 0.5^n

n = log 0.0625 ÷ log 0.5

n = 4

But, 1 half life =7.13 seconds

Therefore;

Time taken = 7.13 seconds × 4

                  = 28.52 seconds

Therefore, the time taken for 12,000 atoms of nitrogen to decay to 750 atoms is 28.52 seconds

8 0
3 years ago
Predict how many antacid tablets it would take to produce 120 mL of CO2 gas
Aleksandr [31]
It would take 8 antacid tablets to produce 120 mL of CO2 gas.
8 0
2 years ago
What might go wrong while heating a substance<br> with a candle?
GaryK [48]

Answer:

the wax melts

Explanation:

because i don't know

7 0
2 years ago
Read 2 more answers
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