OdehEveryday
Answered

CHEMISTRY

Which of the following properties of an element is least likely to change with beta decay?

Athe mass number
Bthe period number
Cthe atomic number
Dthe name of the element

When a nucleus has too many protons, it can absorb an electron and create _________.

Aa proton
Ba neutron
Can electron
Dan alpha ray

Which of the following occurs in beta decay?

AA neutron of an atom emits a high energy proton.
BA neutron of an atom emits a high energy electron.
CAn electron of an atom emits a high energy proton.
DA neutron of an atom emits a second high energy neutron.

What kind of ray is given off after electron capture?

Aa beta ray
Ba delta ray
Can alpha ray
Da gamma ray

Verified Answer :

finnster2

A, B, B, D
Protons and neutrons have the same mass as far as mass number is concerned. A proton has a postive charge, and cancels that charge by absorbing an electron.

davinioza

Correct answers :

1 - A) the mass number

2 - B) a neutron

3 - B) a neutron of an atom emits a high energy electron

4 - D) a gamma ray

Hope this helps,

Davinia.