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3 years ago

Which statement accurately describes the chemical symbol of an element?

Chemistry

2 answers:

Softa [21]3 years ago

8 0

Answer:

The chemical symbol always begins with a capital letter.

Explanation:

Aneli [31]3 years ago

7 0

Answer:

Explanation:

The chemical symbol of an element always starts with an chemical letter so here the answer is that the chemical symbol always begins with a capital letter.

It can be seen in the different elements chemical symbol .

For example, Tin is having chemical symbol as Sn while lead is having chemical symbol as Pb.

In both these elements, the chemical symbol starts with a capital letter but none of these have their symbol starts with same letter as their name.

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3 years ago

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2 years ago

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2 years ago

If an element has an atomic number of 8 and an atomic mass number of 18, would it be an isotope? Why or why not?

hoa [83]

Answer:

It would be an isotope.

Background Information:

Isotopes are typically elements that have a different number of protons than neutrons. The atomic mass is the total number of protons and neutrons. The atomic number is the number of protons.

Explanation:

If the atomic number is the number of protons that means that this particular element has 8 protons. If the atomic mass is the total number of protons and neutrons then we can simply take away the amount of protons from that number, 18 - 8 = 10. If we take protons away from the number of protons and neutrons we are left with the number of neutrons. So there are 10 neutrons. Because there are 8 protons and 10 neutrons, or a different amount of neutrons and protons we know that this particular atom is an isotope.

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3 years ago