aaliyahzapata1219 aaliyahzapata1219

20-06-2024
Chemistry

Answered

When dealing with isotopes, it is important to keep the atomic number in mind. What is the atomic number of lithium?

A. 4, since it's the number of neutrons
B. 7, since it's the number of protons and neutrons in the nucleus
C. 1, since it's the difference of neutrons and protons in the nucleus
D. 3, since it's the number of protons

Answer :

GinnyAnswer GinnyAnswer

20-06-2024

Final answer:

The atomic number of Lithium is always 3, reflecting the number of protons in its nucleus.

Explanation:

The atomic number of Lithium is 3, as it has 3 protons in its nucleus consistently across isotopes. For example, Lithium-6 has 3 protons and 3 neutrons with an atomic number of 3 and a mass number of 6. Similarly, Lithium-7 contains 3 protons and 4 neutrons with an atomic number of 3 and a mass number of 7.

Learn more about Isotopes of Lithium here:

https://brainly.com/question/42227971

Answer Link

asmawasma448 asmawasma448

20-06-2024

D. 3, since it's the number of protons

Answer Link

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