The Modern Periodic Table Flashcards
In the modern periodic table how are elements laid out?
They are laid out in order of increasing atomic number.
Where are the metals and non-metals located in the periodic table?
Metals are on the left side and Non-Metals are on the right side.
What do elements with similar properties form?
They form columns in the periodic table which are known as groups.
What does the group number of an element tell you?
It tells you how many electrons are in the outer shell of that element.
What is an exception to the group number rule with electrons?
Group 0 - Helium is in Group 0 and has 2 electrons in its outer shell.
What is the trend in reactivity for Group 1 elements?
The elements react more vigorously as you go down the group.
What is the trend in reactivity for Group 7 elements?
The elements reactivity decreases as you go down the group.
What are the rows in the periodic table called?
They are called periods.
Finish the sentence, the way atoms react depends on … ?
the number of electrons in their outer shell.
What does an element in a specific period in the periodic table tell you about it?
It tells you how many shells it has.
