chandislilly
Answered

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PLEASE HELP I GIVE THANKS
1. What is atomic mass? (Points : 1)
only the neutrons in the atomic nucleus

only the protons in the atomic nucleus

the sum of all protons and neutrons in the atomic nucleus

the sum of all electrons in the atomic nucleus


Question 2. 2. Which term describes elements with different atomic masses due to varying numbers of neutrons? (Points : 1)
atomic mass units

isotopes

atoms

nuclei


Question 3. 3. If a carbon isotope has 6 protons and 7 neutrons, what is its atomic mass? (Points : 1)
6 amu

7 amu

13 amu

not enough information to calculate

Sagot :

Answer 1 : Atomic mass is the sum of all protons and neutrons in the atomic nucleus.

Answer 2 : The term that describes elements with different atomic masses due to varying numbers of neutrons is "isotopes". Isotope elements have same number of protons but different number of neutrons.

Answer 3 : As stated in the answer 1, atomic mass of an atoms is the sum of all protons and neutrons in it's nucleus. So, this carbon isotope has 6 protons and 7 neutrons in its nucleus so : 7+6=13 . It's atomic mass is 13 atomic mass unit.(amu)
elizabellaK12

Answer:

1. the sum of all protons and neutrons in the atomic nucleus

2. isotopes

3. 13 amu

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