A.) Rearrange and form new substances with new properties
Explanation:
According to Dalton's atomic theory, atoms are the smallest parts of elements. In chemical reactions atoms will re-arrange and form new substances with new properties.
- The holy grail of the Dalton's atomic theory is the indestructible nature of atoms.
- Atoms were considered to be the smallest and the thinnest particles of any substances.
- In chemical reactions, atoms only recombine.
- Atoms are not broken down into any simpler substances.
- Atoms cannot be created nor are they destroyed. They only recombine to form new compounds.
- They cannot be turned completely to energy according to Dalton's theory. But nuclear reactions nowadays refutes that.
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Answer:
The 1920s.
Explanation:
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Answer: p53
Explanation:
In most cases, the p53 gene is mutated, giving rise to a stable mutant protein whose accumulation is regarded as a hallmark of cancer cells.
