Vocabulary A
The number of protons and neutrons
What is Atomic Mass
The nucleus of an atom is made up of protons and ____.
What are the neutrons?
How many valence electrons are in the 1st column
What is 1.
To find the atomic mass number, you have to add What 2 atomic particles.
What is protons and neutrons.
What is the nick name for column 18.
What is Noble Gases.
Dense, positively charged center of an atom
What is a nucleus?
Subatomic particle that has a negative charge.
What is an electron.
How many valence electrons are in the 17 column?
What is 1?
What is the atomic mass of neon.
What is 20?
What is the 1st column family called
What is Alkali metals?
The negatively charged atomic particle.
What is an electron?
Helium has how many electrons.
What is 2?
How many valence electrons are in the 14th column
What is 4?
What is the atomic mass of copper.
What is 63.5 or 64
What column is the halogens found.
What is Column 17.
These two atomic particles equal the atomic number.
What is protons and electrons? Must have both answers for the points.
How many neutrons does Potassium have?
What is 20?
Valence electrons can be _____ or _______.
What is gained, lost or shared. Must have 2 of the 3.
The atomic mass of Krypton.
What is 83.8 or 84?
What are the columns 3 - 12 represent.
What is Transitional Metals?
The sum of the electrons, protons, and neutrons.
What is the atomic mass?
An element is determined by the number of _____ it has.
What is a proton?
Oxygen can share or lose how many electrons.
What is 4?
The atomic mass of Americium.
What is 95.
column 2 elements are called
What is Alkaline-Earth metals.