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