Answer:
<em>Hello, Your answer will be A, or 3.01 × 10^23</em>
<em>Hope That Helps!</em>
Remember that the number of protons in the nucleus determines an element's identity. Chemical changes do not affect the nucleus, so chemical changes cannot change one type of atom into another. The number of protons in a nucleus does change sometimes, however. The identity of the atom, therefore, changes.
Answer:
10 neutron
Explanation:
No.of neutron=Mass no. -- atm no.(or no.of p)
No of neutron=19 -- 9
=10
Answer:
CH4 + 2 O2 - - - > CO2 + 2 H2O
Explanation:
hope this helps,
you can check by adding all the numbers on both sides
please mark it
