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oee [108]
4 years ago
7

An element has 7 protons 7 neutrons and 10 electrons what is the mass number

Chemistry
1 answer:
snow_tiger [21]4 years ago
6 0

Answer:A B

How many electrons are there in Florine with a -1 charge? 10

What is the total number of nucleons in helium? 4

What is the mass number of an element if it contains 19 protons, 19 electrons, and 20 protons? 39

What is the atomic number of an element with 7 protons, 10 electrons, and 7 neutrons? 7

Explanation:  Credit to GOOGLE

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