Answer:
b
Explanation:
its in a quizlet created in 2017
It might affect it's medical history because you could accidentally out the wrong disease in and will be medicated wrong
Isotopes
Atoms of the same element; number of protons remain the same, number of neutrons vary. Chemical properties remain the same. Atomic mass varies.
Na sodium with 11 neutrons = atomic mass of 22
With 22 neutrons the mass is 23.
Both have 11 protons in the nucleus.
Answer:
water mains break. And when they do, they disrupt the lives of those serviced by them. Breaks can close down roads, cause damage to property and generally wreak havoc on the area around it. So why does it happen? This simple guide can help explain it to your customers.
Explanation:
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Answer: Carbon dioxide is a colorless and non-flammable gas at normal temperature and pressure. Although much less abundant than nitrogen and oxygen in Earth's atmosphere, carbon dioxide is an important constituent of our planet's air. A molecule of carbon dioxide (CO2) is made up of one carbon atom and two oxygen atoms.
