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Drinking cranberry juice
FLVS bluez
Is this for a grade?
I'm pretty sure I turned that in?
100
Why do atoms get smaller as you move across a period?
More protons = more pull
greater ENC
100
Non Metals
gain electrons/form anions.
do not conduct heat and electricity
100
Metals
lose electrons/form cations.
Conduct heat and electricity
100
valence electrons
electrons that are found in the outermost energy level.
100
metalloids
elements with properties between metals and nonmetals
200
Why do atoms get larger as you go down a group?
adding energy levels= more rings
200
Periodic Law
The principle that states that chemical properties of the elements are periodic functions of their atomic numbers
200
Atomic Radius
size of an atom
200
Halogens (group)
group 17.
200
In a group (column)
the chemical and physical properties are most likely similar
300
Why do cations get smaller?
When a cation loses an electron, it has 1 (or more) fewer than it had before. The amount of repulsion between electrons decreases
300
Effective Nuclear Charge(ENC)
positive charge that an electron experience from the nucleus. Increases from left to right across the period
300
Ionization Energy
the amount of energy required to remove an electron.
300
Transition Metals (group)
groups 3-12.
300
nonmetals
elements the do not conduct electricity, are not shiny and do not conduct heat
400
Why do anions get bigger?
When an anion gains an electron, it has 1 (or more) more than it had before. The amount of repulsion increases between the electrons.
400
Shielding Effect
Adding a energy level(ring)
Refers to the protection of valence electrons by core electrons in inner energy levels (distance)
400
Electronegativity
the ability of an atom to attract electrons when the atom is in a compound
400
Alkaline Earth Metals (group)
group 2 on the periodic table.
400
solid
Most elements in the periodic table are found in the ___________ state.
500
How are atomic radius and ionization energy related?
smaller radius means greater ionization energy
closer the e- the harder it is to remove
500
As energy levels are added down a group how does the attractive force between valence electrons and the nucleus charge change? (Increase or Decrease)
Decrease (farther the electron= less attraction
500
Noble Gases (group)
group 18.
500
Alkali Metals (group)
group 1 on the periodic table.
500
Elements in the same column have similar properties because ______________________ (not a one word answer, an explanation)
they have the same number of electrons in the outer orbital (called valence electrons)
