Periodic Table Families
Group 17 elements are known as this family.
What are the halogens?
The number of protons in an atom's nucleus.
What is the atomic number?
What is true?
An anion is always ________ compared to its neutral atom.
What is larger?
This scientist is credited with first arranging the periodic table.
Who is Dmitri Mendeleev?
Group 18 elements that have a full valence shell are called this.
What are noble gases?
The tendency of an atom to attract electrons when bonded is called this.
What is electronegativity?
True or false: atomic radius generally decreases as you move from left to right across a period.
What is true?
A cation is always ________ compared to its neutral atom.
What is smaller?
The modern periodic table is arranged in order of increasing __________.
Group 1 elements, known for being very reactive metals, belong to this family.
What are the alkali metals?
This effect explains why outer electrons feel less attraction to the nucleus when there are more inner electrons.
What is the shielding effect?
Ionization energy generally increases moving in these directions on the periodic table.
What is up and to the right?
Which is larger: Fe+2 or Fe+3?
What is Fe+2
This property describes metals that can be drawn into wires?
What is ductile?
Elements in the d block are classified as this type of element.
What are transition metals?
This term describes metals that can be hammered into thin sheets.
What is malleable?
Which element has a smaller atomic radius and why: nitrogen or bismuth?
What is nitrogen?
Which is larger: Br- or Br?
What is Br-?
Nonmetals that are solids tend to have this physical property.
What is brittle?
This family includes elements such as silicon and germanium.
What are the metalloids?
The energy required to remove the second electron from an atom is called this.
What is second ionization energy?
Which element has the larger electronegativity and why: rubidium or cesium?
What is rubidium?
Which is larger and why: S or S-2?
What is S-2?
What is electronegativity?