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What are the two main types of cells?

Prokaryotes and Eukaryotes

What determines the atomic number of an atom?

The number of protons in the nucleus of an atom

We use the scientific method every day. Imagine your car doesn't start one morning before school. Which of these is a reasonable hypothesis regarding the problem?

I am out of gas

All mammals so far studied have hair, produce milk, and have three middle ear bones. We have just discovered a new kind of animal that has hair and produces milk. We would predict that it has three bones in its middle ear The above type of reasoning is known as...

Deductive Reasoning

The formation of sodium chloride (NaCl) is the result of

Attraction Between Opposite Charges

What is the approximate atomic mass of an atom with 16 neutrons, 15 protons, and 15 electrons?

46 Daltons

Scientists now recommend a diet rich in antioxidants to stay healthy. What occurs at the atomic level to explain the reasoning behind this recommendation?

Antioxidants stop the chain reaction of cellular damage caused by free radicals.

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