The temperature at which a liquid turns into a solid when cooled.
What is Freezing point?
The smallest unit of matter that retains the identity of substance.
What is an Atom?
The symbol of Au on the periodic table with the atomic number of 79.
What is Gold?
the mass of an atom, and it is approximately equivalent to the number of protons and neutrons in the atom.
What is atomic mass?
A positive charged element and type of element particle.
What is a Proton?
Properties that do change the chemical nature of matter
What is Chemical Properties?
An atom,pure substance, and/or cannot be broken down any further.
What is an Element?
An element that has the visual appearance of a metal but is a poor conductor of electricity
What is a Metalloid?
the number of protons in the nucleus of an atom, and also determines the chemical properties of an element and its place in the periodic table
What is an atomic number?
A subatomic particle of about the same mass as a proton but without an electric charge,or stabilizes the atom.
What is a Neutron?
Occurs when an atom loses an electron
What is a positive ion?
a nucleus is the positively charged center of the atom consisting of protons and neutrons.
What is a Nucleus?
An element that doesn't have characteristics of a metal.
What is a Nonmetal?
The symbol of Li on the periodic table with the atomic number of 3
What is Lithium?
Is a negative charge, a bonding force, and/or it balances the positive charge
What is an electron?
Properties that do not change the chemical nature of matter
What is Physical Properties?
two or more elements chemically combined
What is a compound?
Carbon is Metal or Nonmetal
What is a Non-metal?
The symbol of Na on the periodic table with the atomic number of 11.
Oxygen has # protons and # electrons
What is 8 protons and 8 electrons?
Name 3 Physical Properties of matter.
What is color, density, volume, mass, boiling point, and melting point?
Elements that contain equal numbers of protons but different numbers of neutrons in their nucleus.
What is an Isotopes?
Good conductors of electricity and heat, form cations by loss of electrons.
What is a Metal?
The symbol of Cl on the periodic table with the atomic number of 17.
What is Chlorine?
Carbon has # protons and #neutrons
What is six protons and six neutrons?