Chem chapter 5 Flashcards
(24 cards)
The elements are arranged on the periodic table are in what order
Atomic Number
What are some other terms for the columns of the periodic table
Groups/family’s
What are some other terms for the rows of the periodic table
Periods/series
What do elements in a row all have in common
The same number of energy levels
What do elements in a column all have in common
The same number of valence electrons
How does the atomic size of the elements in a row change as the row progresses from left to right
They get smaller
How does the Ionization energy of elements in a column change as the column progresses from top to bottom
It gets weaker
where on the periodic table are the elements located which have the strongest electron affinity
The top right corner
where on the periodic table are the elements located which have the most electronegativity
Top right (Florine)
where on the periodic table are the elements located which have the largest ionization energies
Top right
where on the periodic table are the metals located
Left of stair-step and middle
where on the periodic table are the non-metals located
Right of stair-step
where on the periodic table are the transition metals located
Middle
where on the periodic table are the metalloids located
Along stair-step line
Which column of elements is known as the halogens
17 or 7A
Which column of elements is known as the alkaline earth metals
2A, 2
Which column of elements is known as the alkali metals
1A
Which column of elements is known as the noble gasses
8A, 18
Which category of elements contains the best semiconductors
Metalloids
What category of elements possesses properties of both metals and nonmetals
metalloids
Which category of elements contains good conductors of heat and electricity that are usually lustries malleable and ductile
Metals
Which category of elements contains mostly gases liquids and soft solids
non-metals
Why are noble gasses so named
They dont mix with other elements
Why is hydrogen not an Alkali metal why is it located in the same column as the alkali metals
it’s not a metal it’s a gas and it has one valence electron
