Elements
The element that we breathe.
What is Oxygen?
The basic unit of matter.
What are atoms?
A positive charged particle in the nucleus of an atom.
What is a proton?
The force that holds molecules together.
What are chemical bonds?
This shiny metal is very soft but very valuable.
What is gold?
The center of an atom.
What is the nucleus?
Negatively charged particle outside the nucleus of an atom.
What is an electron?
A cake rising in the oven, rust forming on a bike, or photosynthesis.
What are chemical reactions?
This element with 11 protons prevents bland food.
What is sodium?
Atoms of the same element that have different weights.
What are isotopes?
The subatomic particle that has mass but no charge.
What is a neutron?
Ice melting into water.
What is a physical change/process?
This element with 9 protons helps to clean your teeth.
What is fluorine?
An atom with a positive net charge.
What is a cation?
The particle that determines the identity of an atom.
What are protons?
A bond between a metal and a non-metal, a transfer of electrons.
What is ionic bond?
The elements in this group are called "noble gases"
What is group 8?
6.02 x 1023 atoms
What is a mole?
The outermost shell of electrons.
What are valence electrons?
Burning of fuel with oxygen.
What is combustion?