Build an Atom PhET Simulation 2023 Questions and Answers Solved

Build an Atom PhET Simulation 2023 Questions and
Answers Solved
What particles are located in the center of an atom?
Protons and Neutrons
What do the number of protons determine?
They determine the atomic number.
Neutral atoms have _________ protons and electrons.
equals amounts of
Positive ions have _________ protons than electrons.
more
Negative Ions have _________ protons than electrons.
less
What is another name for a positively charged atom?
Cation
What is another name for a negatively charged atom?
Anion
protons > electrons
Positively Charged Atom (Cation)
electrons < protons
Negatively Charged Atom (Anion)
protons = electrons
Neutrally Charged Atom
Top Number = ?
Bottom Number = ?
Letter = ?
Element Symbol
An abbreviation of the element.
Charge
Protons plus the number of neutrons determine whether or not an atom is positively or
negatively charged.
Atomic Number
The number of protons in an atom.
Mass Number
Protons + Neutrons

The mass number is the amount of subatomic particles that reside in the nucleus of an
atom.
Hyphen Notation
The element name - mass number.
What particles affect the stability of an atom?
Protons and Neutrons
What particles DON'T affect the stability of an atom?
Electrons
What are the stable forms of oxygen?