Structure of Atom
What is the smallest particle of an element?
Atom
B
Boron
What tells the number of protons in a atom of a element?
Atomic Number
What metals are in Group 1?
Alkali Metals
What is the space that surrounds the nucleus?
Electron Cloud
Silicon
What tells the number of protons AND neutrons in the Nucleus?
Mass Number
What metals are in Group 17?
Halogens
What is it when electrons want to be far apart?
Repulsive Force
Xe
Xenon
What are atoms of the same element with different numbers of neutrons?
Isotopes
What are the horizontal rows of the periodic table?
Periods
What is p+
Protons
Hf
Hafnium
What is the name of the element-mass#?
Hyphen Form
What are good conductors of heat and electricity?
Metals
Who was responsible for making the Gold Foil Experiment?
Ernest Rutherford
Pu
Plutonium
What is the weighted average of all different versions of an element?
Average Atomic Mass
What are solids?
Metalloids