In the periodic table, which of the three families are metals?
What is Alkali, Alkaline-Earth, and Transition Metals
100
Which family/group has the most reactive type of metals?
What is Alkali Metals
100
As one moves from down ( ↓ ) a group on the periodic table, the ionization energy of the elements encountered tends to?
What is Decrease
100
The family that has the least electronegative is the...?
What is Alkali Metals
200
Which subatomic particle is positively charged and has 1 amu?
What is a proton?
200
Hydrogen, Helium, Neon, and Oxygen are all?
What is Nonmetals
200
Most non-metals are listed as what? (solid, liquid, gas)
What is Gases
200
As one moves from left to right ( → ) within a period across the periodic table, the atomic radius of the elements encountered tends to?
What is Decrease
200
The lowest principal quantum number for an electron is?
What is 1
300
What is the difference between an atom and a ion?
What is the number of electrons that surround the nucleus
300
Rutherford's gold foil experiment provided evidence for the existence for what?
What is Nucleus
300
How many common metalloids are there?
What is 6-7
300
As one moves from left to right ( → ) within a period across the periodic table, the ionization energy of the elements encountered tends to?
What is Increase
300
By knowing the number of electrons in a neutral atom, you should also be able to determine?
A)The number of neutrons in the neutral atom
B)Two of these choices
C)The number of protons in the neutral atom
D)The atomic number of the neutral atom
E)The mass of the neutral atom
What is B
400
The nucleus of the atom is held together by?
What is Nuclear Forces
400
How many energy level(s) will a Cerium atom have?
What is 6
400
The element Po, Polonium has the same chemical property as:
A)Bi,
B)Sb
C)Tm
D)S
E) C and D
What is D
400
What happens to the size of an atom when it forms a negative ion?
What is increase or gets bigger
400
Can you identify and name all 11 families/groups in order from left to right, up to down?
What is Alkali Metal, Alkali Earth Metal, Transition Metal, Boron, Carbon, Nitrogen, Oxygen, Halogen, Noble Gas, Lanthanide Series, and Actinide Series.
500
Electrons are how many times smaller than protons and neutrons?
What is about 2000 times
500
In Niel Bohr's model of the atom, electrons move like what?
What is planets orbiting the sun
500
What is the only metalloid named after a place?
What is Germanium (named after Germany)
500
Which are most likely to have a high ionization energy? Is it Metals, Nonmetals, or Metalloids?
What is Nonmetals
500
Of the following elements, the one that forms cations with varying positive charges is?
A) Iron, Fe
B) Aluminum, Al
C) Strontium, Sr
D) Nitrogen, N
E) Helium, He