do you think it is likely that major volcanic eruption will occur on the mainland of the united states

It would be very unlikely that a volcanic eruption will occur in the mainland (Midwest or surrounding) to occur.

Explanation:

The nearest platonic plates are in California in the triangle with Japan and China, the chances of earthquakes are also low in this area due to the fact that no plates could collide to produce an earthquake, or form a volcano.

explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

            and  

since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be and .  

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.  

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .