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Their atomic number (8) is the same. They are both isotopes of oxygen, with different numbers of neutrons.

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Q: What is the same about oxygen 18 and oxygen 16?
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Now many isotopes in oxygen-16?

Oxygen-16 IS an isotope of oxygen. If you meant to ask the number of isotopes of oxygen, the answer is 3. They are Oxygen-16, -17 and -18. Oxygen-16 is the most abundant of the isotopes.


Is this true that a normal atom of oxygen has a mass of 16 the isotope oxygen 18 and protons 18?

true


Does oxygen-16 atom has the same number of protons as oxygen-17 atom?

yes, O-17 has an extra neutron


What is the difference between an isotope and an ion of the same element?

The isotopes of a given element, such as oxygen-16 and oxygen-18 have the same number of protons in their nuclei, but different numbers of neutrons, and therefore different mass numbers. Oxygen-16 has 8 protons (its atomic number) and 8 neutrons, while oxygen-18 has 8 protons and 10 neutrons. As long as they are neutral atoms, they also both have 8 electrons. An ion is an atom of an element, that has lost or gained one or more electrons, developing a positive or negative charge. When an oxygen atom ionizes, it gains two electrons, forming an oxide ion with a charge of 2-. The oxide ion would still have the same number of protons (8 for all oxygen atoms and ions), and it would have the same number of neutrons as the isotope that became the ion, so it would have the same mass number as the particular oxygen isotope that gained the two electrons, but the number of electrons would not equal the number of protons as it would in a neutral atom.


What is the atomic mass of a Hydrogen and oxygen atom?

If the atomic mass of water is 18 and the atomic mass of hydrogen is 1 then the atomic mass of oxygen is 16

Related questions

Is oxygen 17 and oxygen 18 the same isotopes of oxygen?

they are different isotopes of oxygen, oxygen-17 has one more neutron than oxygen-16 making it slightly heavier. Oxygen-17 will react slightly slower than oxygen-16 since it has more mass.


What is the difference between an oxygen 16 atom and an oxygen 18 atom?

In the nucleus of an oxygen-18 atom there are 10 neutrons while in the nucleus of an oxygen-16 atom there are only 8 neutrons. The number of electrons and protons always stay the same.


Now many isotopes in oxygen-16?

Oxygen-16 IS an isotope of oxygen. If you meant to ask the number of isotopes of oxygen, the answer is 3. They are Oxygen-16, -17 and -18. Oxygen-16 is the most abundant of the isotopes.


Is this true that a normal atom of oxygen has a mass of 16 the isotope oxygen 18 and protons 18?

true


What is the mass number for oxygen 18?

As the name would suggest, the mass of Oxygen-18 is 18.


Does oxygen -16 and oxygen -18 have different mass numbers?

The numbers 16 and 18 is their nucleon number. Hence, they will have different masses since they have different number of neutrons.


Is 92.8 the correct amount of oxygen found in water?

No, oxygen is not that soluble. Water contains less 1%. However, the composition of water H2O would mean with the atomic mass of hydrogen =1, oxygen = 16 and water 18 that oxygen = 16/18 = 88.9% oxygen.


How is the nucleus of oxygen-18 atom different to the nucleus of oxygen-16 atom?

The difference between Oxygen - 15 and Oxygen - 16 is that of Isotope. Oxygen's atomic number is 8 as it contains 8 proton but the neutron number may vary in order to form an isotope, the oxygen found in the air is 98 percent oxygen 16, the rest is oxygen 15. Oxygen 16 = 8 protons, 8 neutrons, 8 electrons. 16 is the mass number which is equal to the (number of proton + number of neutrons) Oxygen 15 = 8 protons, 7 neutrons, 8 electrons. 15 is the mass number which is equal to the (number of proton + number of neutrons) Oxygen 15 is known as the "Isotope" of Oxygen 16.


What is the relationship between oxygen -17 and oxygen -18?

Oxygen-17 and oxygen-18 are isotopes of oxygen, which are different atoms of the same element with the same number of protons but different number of neutrons. Both of them have 8 protons in their nucleus and 8 electrons but oxygen-17 has 9 neutrons which oxygen-18 has 10 neutrons.


How the nucleus of an oxygen-18 atom is different from the nucleus of an oxygen-16 atom?

2 extra neutrons


What is the difference between 16oxygen and 18Oxygen?

It simply means that the 18 oxygen has two more oxygen molecules than the 16 oxygen. A simpler way: 16 x O = O16 and so on..


What is the mass number of the elementoxygen?

It depends on the isotope of oxygen. There are three isotopes of oxygen with mass numbers of 16, 17, and 18.