Atoms and Elements 1
Negatively charged particles in an atom.
What is an electron?
3 types of particles in an atom.
What is an electron, proton, and neutron?
The one or two letter abbreviation for an element
What is the element symbol
Ms. Alexander's Favorite color
What is Pink
The Atomic Mass is
What is the sum of protons and neutrons in the element
The atomic number is this
What is the number of electrons?
A model that shows an atom with a nucleus containing protons and neutrons, surrounded by electrons at specific energy levels
What is Bohr's Model
What is the electronic configuration of 'F'
What is 2,7
The reason why atoms combine to form molecules
To fill their outer shell
We call atoms that have their outer shell/orbit filled as
What is a stable atom
The three types of variables in an experiment are
What is Independent, Dependent, and Control
How many atoms are in H2O
What is 3 atoms
A atom with 20 electrons is what element
What is calcium
Carbon-14 is used for
What is determining age of sediments.
Atoms of the same element that have different number of neutrons
What is Isotopes
A rule that tells us how many electrons go in each shell/orbit
What is the 2-8-8 rule
The electrons in the outermost shell of an atom
What is Valence Electrons
DOUBLE JEOPARDY: Group of two or more atoms that are chemically joined.
What is a molecule?
An educated guess or prediction when conducting a lab/ experiment.
What is a hypothesis?