Atoms
The number of protons in an atom of an element is its
What is : atomic number
Neutron is _______ charged
What is : uncharged/ neutral
What two particles make up the net charge of an atom nucleus?
What is : protons and electrons
The positively charged particle
What is : A proton
Electrons are _____ charged.
What is : negatively
What particle lives in the rings in the Bohr diagram?
electrons
The total volume of an atom is localized in what part of the atom?
What is : nucleus
The current atomic theory includes the ________ model of electrons.
What is : electron cloud
A (n) _____ is a very small particle that is the basic unit of matter.
What is atom
In an atom, which has the least mass? A: nucleus B: proton C: neutron D: electron
What is : electron
Trends of the characteristics of elements across the periodic table.
What is : periodicity
Electrons in an atom move throughout the _____ surrounding the nucleus.
shells
Describe the difference between atomic number and mass number *Multiple sentence answer*
What is : The atomic number is the number of proton in an atom. The Mass number is the sum of the number of protons and neutrons in an atom of a particular isotope
The most dense structure in an atom called _______ is made up of ______ and ______.
What is : nucleus, protons, and neutrons
An atom is electrically neutral because
the numbers of protons and electrons are equal.