Organization
The periodic table is organized by increasing _________.
Atomic Number
Electrons have this charge
Negative
This element has 11 protons.
Sodium
How many TOTAL electrons does Boron have?
5
________ make up most of the periodic table.
Metals
What does the Atomic Number represent?
The number of Electrons and Protons located in a specific element.
Protons have this charge
Positive
This element has an atomic mass of 63.5 amu.
Copper
How many valence electrons does oxygen have?
6
Metal, non-metal, metalloid: Neon
Non-metal
Rows on the periodic table are called _____.
Periods
An element with the atomic number 75 has how many protons?
75
Found in Period 3, Group 17
Bromine
How many valence electrons does Phosphorus have?
5
Metal, non-metal, metalloid: Arsenic
Metalloid
Columns on the periodic table are called ____.
Groups
Atomic mass is made up by the number of _______ and ________ added together.
Protons and Neutrons
What element has the fewest protons on the periodic table?
Hydrogen
How many ELECTRONS can the first ring/orbital shell hold?
2
Metal, non-metal, metalloid: Hydrogen
Non-metal
Similar Chemical Properties determine which _______ an element is located in.
Group
An atom’s mass number is 210 and its atomic number is 85. How many neutrons does the atom have?
125
What element symbol "K" represents in the periodic table?
What is atomic number of K?
Potassium 19
How many ELECTRONS can the second ring/orbital shell hold?
8
Metal, non-metal, metalloid: Zinc
Metal