PLS AWNSER Will Mark Brainliest 1.What is lost from the nucleus of an atom when it emits an alpha particle? 2 points
two protons and two electrons
two protons and two neutrons
two neutrons only
two protons only

2.Which of the following particle(s) is/are responsible for atoms bonding?

Valence electrons
Protons
Neutrons
Positrons

3.Identify the element represented by the electron shell diagram below: The image is for this question

Sodium
Lithium
Magnesium
Titanium
4.Members in the same family have similar chemical properties because they all
2 points
Have the same atomic radius
Have the same # of protons
Have the same # of valence electrons
Have the same # of core electrons