Question

Please answer Q-2,3
please answer me fast​

Answer 1

Answer:

Q1-- 15 amu is the right answer

Explanation:

A nitrogen atom with 7 protons and 8 neutrons has a mass number of 15 amu,. However, in the periodic table, the atomic mass for nitrogen is 14.01

Answer 2

Answer:

15amu

Explanation:

the nitrogen atom with 7 protons and 8 neutron has a mass number of 15 amu. on the periodic table the atomic mass for nitrogen is 14.01

hope I help you

question 3 answer

election =18

protons = 18

neutron =(40-18)=22