Patterns
The atomic number increases by __ across the periodic table. (number)
What is 1?
The Periodic table has __ periods. (number)
What is 7?
There are __ groups. (number)
18
The atomic number is the same as the number of the positive particles called ________.
What are Protons?
Who is known as the father of the Periodic Table?
Who is Mendeleev?
The density pattern looks like a _____ towards the bottom center of the table.
What is a Mountain or a Hill?
Periods are also known as horizontal ______.
What are Rows?
Groups go __ and down the periodic table.
Up
The atomic mass ____ across a periodic table.
What is increases?
Elements in the same group have ____ properties.
What is similar?
The atoms get _____ as you go down a group.
What is bigger?
Periods go from left to ____ across the periodic table.
What is right?
Groups are also knows as vertical _____.
columns
The atomic number decreases across the periodic table. True or False?
What is False?
The rings around the nucleus are known as ______.
What are atomic orbitals or energy levels?
Elements in the same period have the same number of _____ ______.
The strategy for periods is ______.
What is writing a sentence?
The strategy for Groups is that it has the word __ in it.
What is up?
The atomic number consists of the particles _____ and ____.
What are protons and neutrons?
The metallic character of elements ______ as we move right across a period. (decrease or increase)
What is decrease?