Periodic Table 1
The electrons on the outer energy level
What are valence electrons?
Subatomic Particle with a negative charge
What is an electron?
The location of electrons.
What is energy levels, shells, electron cloud, or orbitals.
Rows on the periodic table are called.
What are periods?
Subatomic particle with a positive charge
What is a proton?
The location of protons and neutrons.
What is inside the nucleus?
A substance that cannot be broken down.
What is an element?
The amount of valence electrons that chlorine has.
What is 7?
A neutral Arsenic (As) has 33 of these.
What are protons and electrons?
The subatomic particle with no mass
What is the electron.
Columns on a periodic table are called.
What are groups/families?
What is Helium
What is the formula for finding the neutrons of an atom?
Rounded Atomic mass - Atomic number
(subtract the two)
The maximum number of electrons the 3rd orbital, or energy shell, can hold.
What is 18.
What are two reasons that Hydrogen is aligned with the Alkali Metals?
It has an atomic number of 1, it has 1 valence electron, it is reactive, it behaves similarly to the alkali metals.
The amount of energy levels/orbitals/shells that Francium has.
What is 7?
This group is not reactive at all.
What is group 18/noble gases?
The rows at the bottom (Lanthanides & Actinides) are man-made elements that are also _________.
Radioactive
Elements in the same period have the same ____.
Number of energy levels
The most reactive group on the periodic table.
What is group 1/alkali metals?
Used to make jewelry, plumbing and electrical wires.
What is transition metals?
I have 18 neutrons
What is chlorine?
Creator of modern Periodic table.
Dmitri Mendeleev
The electron configuration for -
Neon & Phosphorus
Neon- 2,8
Phosphorus- 2,8,5
Draw a Bohr model for sulfur
16 Protons & 16 neutrons in nucleus
16 electron- 3 energy levels, 2 e on 1st, 8 e on 2nd, 6 e on 3rd