This particle has a positive charge.
What is a proton?
A smallest particle of any element
What is atom?
Each row in the periodic table is called
what is period?
Each column in periodic table is called as
What is a group?
A compound formed between non-metallic when elements share their electrons
What is a covalent compound?
They make up the nucleus of an atom.
What is a proton and neutron?
A subatomic particle located around the nucleus of an atom
what is an electron?
Unreactive (stable) non metals are called
what is a noble gas?
A diagram that shows chemical bonding by showing only an atom's valence electrons and the chemical symbol.
What is a lewis diagram?
A diagram that shows how many electrons are in each shell surrounding the nucleus
What is a Bohr diagram?
Changes in which atoms and molecules in a pure substance are arranged and interconnected
What is a chemical change?
Particles that make up the atom
What is subatomic particle?
Metals that can form ions in more than one way are
What is a multivalent?
The outermost shell that contains electrons is called as
What is a valence shell?
A pure substance composed of 2 or more atoms
What is a compound?
This term is given to the electric charge on the nucleus
What is a nuclear charge?
Every neutral atom has equal number of
What is protons and electrons
Atoms that gain electrons are called as
What is an anion?
Atoms that lose electrons are called as
what is a cation?
The valence electrons in Aluminium
What is 3?
The scientist who did the gold foil experiment and discovered the nucleus
Rutherford.
The nuclear charge is same as
what is atomic number?
An example of very reactive metal is
What is a sodium? (Any group 1 metal)
An example of a very reacive non metal is
What is Chlorine? (Group 17)
An example of a very unreactive gaseous non-metal is
What is neon (Group 18 )