Question

HELP CHEMISTRY PLEASE I BEG U 25 POINTS

1 What would be the effect on the nucleus of an atom if it emitted one beta particle and one gamma ray?

no change in either atomic number or in mass number

a decrease of one in atomic number and a decrease of two in mass number

an increase of one in atomic number and no change in mass number

an increase of one in atomic number and an increase of two in mass number

2 Which statement is true regarding radioactive particles subjected to an electric field?

alpha rays would be deflected toward a negative source

beta rays would be deflected toward a positive source

gamma radiation would not be deflected toward either a negative or a positive source

all of the above statements are correct

3 What would be the effect on the nucleus of an atom if it emitted one alpha and then one beta particle?

a decrease of two in atomic number and a decrease of four in mass number

a decrease of one in atomic number and a decrease of four in mass number

a decrease of one in atomic number and an increase of one in mass number

an increase of one in atomic number and a decrease of two in mass number

4Nuclear decay by beta particle emission is more common in atoms of elements that:

have an atomic number greater than 83

have a high proton to neutron ratio

have a high neutron to proton ratio

have a low proton to neutron ratio

Answer 1

The correct answers are given below

Step-by-step explanation:

1 An increase of one in atomic number and no change in the mass number.

2 All the above statements are correct.

3 A decrease of one in atomic number and a decrease of four in mass number.

4 Have a high neutron to proton ratio.