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N76 [4]
3 years ago
11

Which descriptions apply to emitted radiation? check all that apply?

Chemistry
1 answer:
Murrr4er [49]3 years ago
7 0
<span>measurement in Ci/Bq

the amount of radioactive materials released into the environment.

number of disintegrations of radioactive atoms in a radioactive material over a period of time</span>
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Which element in period 3 has three times the electronegativity value compared to that of li in period 2
victus00 [196]

Answer:

Nitrogen

Explanation:

Elements in period two includes lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon.

According to periodic trends, the electro negativity values are expected to increase across the period up to fluorine. Hence, as we go right wards, we encounter elements with higher electronegative values.

While lithium has an electronegative value of 1 , the electronegative value of element nitrogen is thrrr times this which is equal to three

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3 years ago
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sweet-ann [11.9K]
Atomic number is 11.
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strojnjashka [21]

Answer: Im not sure if you are doing this in your class.

Explanation:

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3 years ago
Please can you answer question 10
lakkis [162]
21 grams
166.0 - 145 = 21
8 0
4 years ago
Please only answer if you know the actual thing, don't search it up! Are these correct? :P
makkiz [27]

Hey buddy I am here to help!

1. C

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3. A & B

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7. A

8. A & C

Hope it helps!

Plz mark brainlist!

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3 years ago
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