Atomic Number
Subatomic particles
Mass
Electron Configuration
Random
100
what is the atomic number for Krypton?
36
100
What is the charge of a proton?
Positive
100
What is the mass of a proton?
1 amu
100
Give me the electron configuration of lithium.
1s22s1
100
Protons determine ___ for an atom
identity
200
What is the atomic number for Magnesium?
12
200
What is the charge of neutron?
Neutral, 0
200
What is the mass of neutron?
1 amu
200
How many electrons fit in the second shell?
8
200
What does electrons determine?
Chemical Reactivity
300
What is the missing part in this equation ?
(Atomic number= ______ = Electrons)
Protons
300
What is the charge of an electron?
Negative, (-)
300
What is the mass for an electron?
close to nothing, 0
300
Give the electron configuration of argon.
1s22s22p63s23p6
300
Where are valence electrons located?
Last or Outermost shell/orbital/level
400
What is the atomic number for Protacinium?
91
400
What is the charge of a valence electron?
Negative
400
How do you find the mass of atom?
mass= protons + neutrons
400
Give the Electron configuration of Ag
1s22s22p63s23p64s23d104p65s24d9
400
Explain why the size of an atom shrinks as you cross the period.
The increased number of protons create a stronger pull on the elctrons, bringing them closser to the nucleus
500
What is the atomic number for this element ?
14
500
What is the charge of a nucleus ?
Positive
500
What is the unit for mass?
AMU
500
What Element has this Noble gas configuration:
Rn:7s2
Radium
500
Identify the Element that has the strongest Electronegativity and the element that has the weakest electronegativity
Strongest: Florine
Weakest: Francium.