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Leona [35]
3 years ago
8

What is the meaning of radioactive substance​

Chemistry
2 answers:
Oksana_A [137]3 years ago
8 0

Explanation:

  1. He atoms that decay naturally are called radioactive substances
Tasya [4]3 years ago
7 0

Answer:

Explanation:

Radioactive substances are atoms that decay naturally. They can give off alpha particles, beta particles and gamma radiation.

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A 30.5-g sample of water at 300. K is mixed with 48.5 g water at 350. K. Calculate the final temperature of the mixture assuming
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An element has 3 electrons, 3 protons and 4 neutrons. What will be its atomic number and mass number? (​
stiv31 [10]

Answer:

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How do geologists use seismic waves to locate an earthquakes epicenter
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6 0
3 years ago
what are we/what has someone did to prevent/lessen the negative side effects of aluminium extraction?
kogti [31]

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Adaptation of wheat to allow aluminum to be carried out is due to the fact that aluminum releases organic compounds that in turn combine with harmful aluminum cations. It is believed that sorghum has the same endurance. The first genes found to withstand aluminum were found in wheat. Aluminum sulphide bearing has been found to be governed by an individual gene, such as in wheat. This is not the case in all plants.

7 0
3 years ago
How many molecules of sulfur trioxide are in 78.0 grams?
zalisa [80]

Answer:

b) 5.87 E23 molecules

Explanation:

∴ mm SO3 = 80.066 g/mol

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⇒ molec SO3 = 5.866 E23 molecules SO3

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