Dots, Charges, Etc. Flashcards
What is the highest number of dots you can have?
8
What are these called —-> :
Lone pairs
Example: How many dots does S have?
6
What is a negative ion called? (-ion)
Anion
What is a positive ion called? (+ion)
Cation
What is another name for iconic size?
Atomic Radius
Which family is most likely to gain 2 electrons to fill their valence shell?
Chalcogens
Why is magnesium ion smaller than calcium ion?
It’s further down in the group
“Official” name for a row.
Period
How many periods are there?
7
“Official” name for a column.
Group
How many groups are there?
18
Name a scientist who was the first to come up with a way to organize the elements on the periodic table.
Dmitri Mendeleev
What is the first property used to arrange the periodic table of elements?
Atomic mass
What is the property we now use to arrange the periodic table of elements?
Atomic Number
What statement best describes the general trend that atomic radius follows on the periodic table?
It decreases as you move right in a period and increases as you move down a group
What is the ionization energy?
The amount of energy required to remove an electron from an element
Elements that have the highest ionization energies?
Noble Gas
What particle is responsible for chemical bonding?
Electron
The most reactive non-metals on the periodic table belong to which group?
Halogens
Statement that best describes the trend in metallic character.
It increases as you move to the left within a period and increases as you move down a group
A vertical column is also called a what?
Family
Elements that belong in a group have these particular things in common, name three.
All have the same chemical properties, physical properties and electron configuration
Number of electrons on each shell
Dots
