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marta [7]
3 years ago
8

What is radioactivity?

Chemistry
2 answers:
ehidna [41]3 years ago
5 0

the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.

yuradex [85]3 years ago
5 0

the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.

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What effect does reusing or recycling municipal waste have on environmental resources? Group of answer choices increased use of
Effectus [21]

Answer:

preservation of raw materials

Explanation:

Reusing and recycling is the process by which the used products are used again or recycled in different form to use it again. Excessive use of the raw materials can lead to their extinction. Recycling the materials helps in decreasing the pollution in the environment. It also helps in reduction in the emission of the harmful gases. When municipal wastes are reused or recycled, the raw materials are preserved. These are the process involved in sustainable use of resources.

8 0
3 years ago
Which state of matter has atomic spacing that is close together and definite shape? gas liquid solid plasma none of the above
den301095 [7]

Answer: solid

Explanation:In a solid, the atoms are closely packed and hence are close together. This results in a definite pattern of packing and a definite shape. Solids have a defined shape and volume as a result of this orderly arrangement of atoms very close to each other in the solid material.

5 0
3 years ago
O2- is the Lewis ______ in the following reaction
matrenka [14]

O^{2-} is the Lewis base in the following reaction:

SO_3(g) + O^{2-}(aq)   →  SO_4^{2-}(aq)

<h3>What is lewis base? </h3>

Lewis base is a species that donates an electron pair.

In the above-given chemical equation, the O^{2-}is the lewis base which is donating an electron pair to the central atom of SO_3 to form SO_4^{-2}.

Hence, O^{2-} is the Lewis base in the following reaction:

SO_3(g) + O^{2-}(aq)   →  SO_4^{2-}(aq)

Learn more about the lewis base here:

brainly.com/question/15570523

#SPJ1

3 0
2 years ago
Nuclear energy comes from an atom's _____. <br><br> A. shells B. charge C. nucleus D. electrons
Shalnov [3]
This would be C. nucleus
4 0
3 years ago
Read 2 more answers
Does density of water depend on the amount of water present ?
Nitella [24]
<span>No, the denisty of any substance/liquid is always constant, no matter what the volume or mass is. Once the mass g/ volume mL is taken into consideration, the effect of the ammount of liquid given is canceled out. Thus, no matter what your sample is, the density of water will always be 1 g/mL</span>
7 0
3 years ago
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