An atom of hydrogen consists of one surrounded by one

An atom of hydrogen consists of one proton surrounded by one electron.

Explanation:

Hydrogen is the first element of the periodic table, and its atom is the simplest atom of the universe. It has an atomic number of 1, which means it has 1 proton in the nucleus, and it has one electron surrounding this nucleus. Hydrogen also has some isotopes which contain neutrons in the nucleus (such as the deuterium, whose nucleus is made of 1 proton and 1 neutron, with still 1 electron surrounding it).

the answer is d. 4

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also the more points you give the faster your questions get answered

1= 26.17

2= 1.17

3=30.86

4=5.86

just took the assigment on edge