2. Small area in the center of an atom in which most of the atom’s mass and positive charge is concentrated is called the ____________.

Showed that most of the mass and positive charge of an atom is concentrated in its center

1. An atomic particle with one negative charge is called a(an) ___________________.

ic particle with one positive charge is called a _________________.4. A neutral particle in the nucleus of the atom is called a ________________.5. The area around an atomic nucleus where an electron is most likely to be found is described as the _______________________.6. The number of protons in an atom of an element. _________________7. Any of the two or more atoms of the same element that have different numbers of neutrons. _______________8. The sum of the number of prot

describe the distribution of mass and charge within an atom

1. The central part of an atom, usually made up of protons and neutrons.*1 pointChoose2. It is an atomic particle that has a positive electrical charge.*1 pointChoose3. An ___________ is a stable negatively charged component of an atom. It exist outside of and surrounding the atom nucleus.*1 pointChoose4.It is an atomic particle that has no electrical charge.*1 pointChoose5.Atoms are made up of protons and neutrons located _______________ the  nucleus.*1 pointChoose6.Electrons are grouped in distinct "shells" located ___________ the nucleus.*1 pointChoose7.It is the defining structure of an element, which cannot be broken by any chemical means.*1 pointChoose8.It is the combinations of two or more atoms which are held together by chemical bonds.*1 pointChoose9.The region that surrounds the nucleus.*1 point