What is ionization?
adding protons to an atom
adding neutrons to an atom
removing protons from an atom
removing electrons from an atom
What is an electron shell?
The electron's protective outer layer
The exact location of an electron
A hard container holding electrons close to the nucleus
The space around the nucleus where the electrons are found
In which energy level is the outer electron in rubidium located?
5
2
37
85
Which of these elements has the smallest atomic radius?
Antimony (Sb)
Phosphorus (P)
Nitrogen (N)
Arsenic (As)
Which element has the highest electronegativity?
Calcium
Barium
Fluorine
Carbon
As you move from top to bottom on the periodic table, what generally happens to the metallic character of elements?
It decreases.
It remains constant.
It increases.
It increases, then decreases.
Elements in Group 2 are known as the _____.
alkaline earth metals
alkali metals
halogens
metalloids
Which group does NOT contain transition metals?
Group 11
Group 5
Group 9
Group 13
Which element is found in the group described by the statement below? This group contains poisonous, very reactive elements often used in bacteria killing or household cleaners.
Iodine (I)
Sodium (Na)
Helium (He)
Hydrogen (H)
Which of the following is the poorest conductor of electricity? Which of the following is the poorest conductor of electricity?
Silicon (Si)
Calcium (Ca)
Cobalt (Co)
Fluorine (F)
Which of the following elements has the same number of valence electrons as aluminum?
magnesium
boron
zinc
silicon
Electronegativity is the ability of an atom to _____
repel electrons.
attract neutrons.
attract electrons.
repel protons.
Why are metals good conductors of electricity?
Their outer electrons are held very loosely.
Their neutrons are held very tightly.
Their protons are held very tightly.
Their protons are held very loosely.
Which element will predictably carry a positive 1 charge when it becomes an ion?
Bromine
Potassium
Gallium
Calcium
As you move from top to bottom on the periodic table, what generally happens to the ionization energy?
it decreases
it remains constant
it cannot be determined
it increases
As you move from top to bottom on the periodic table, what happens to the atomic radius?
It increases, then decreases.
It decreases.
It increases.
It decreases, then increases.
Which of these elements has the largest atomic radius: argon, phosphorus, aluminum, sodium or magnesium?
Argon (Ar)
Sodium (Na)
Phosphorus (P)
Aluminum (Al)
Which element is a transition group metal and likely to exist in many different forms?
Barium
Rubidium
Manganese
Phosphorous
As you move from left to right on the periodic table, what generally happens to the ionization energy?
it decreases
it increases
it cannot be determined
it remains constant
Which of these elements has the largest atomic radius?
Astatine (At)
Silicon (Si)
Barium (Ba)
Bromine (Br)
As you move from left to right on the periodic table, what happens to the electronegativity?
It remains constant.
It increases.
It decreases.
It decreases, then increases with the noble gases
As you move from left to right on the periodic table, what generally happens to the boiling point of elements?
It remains constant.
It decreases, then increases.
It decreases.
It increases, then decreases.
Which of the following will react violently with water to form a base?
Cobalt (Co)
Chlorine (Cl)
Calcium (Ca)
Potassium (K)
Given the following information, which element(s) are most likely to lose electrons? I. Iodine is a member of Group VII (halides). II. Strontium is located in the second column of the periodic table. III. Selenium has six valence electrons.
Strontium
Selenium
Selenium and strontium
Iodine
Which two elements would have the most similar atomic radii?
Boron and silicon
Aluminum and carbon
Sodium and beryllium
Beryllium and magnesium
Which of the elements below has the smallest ionization energy?
aluminum (Al)
francium (Fr)
sodium (Na)
bromine (Br)
Which element listed is likely to be the most reactive?
barium
strontium
magnesium
beryllium
Which of the following elements is a main group element?
Manganese
Copper
Aluminum
Gold