Periodic Table 1
How many electrons can the first ring/orbital shell hold?
2
On a periodic table, what are rows also called...
periods
An atom’s mass number is 210 and its atomic number is 85. How many neutrons does the atom have?
125
What element is in the 7th group and 4th period?
Manganese
The number of electrons in the valance shell of an atom of Nitrogen.
5
The outer most shell of an atom
What is the valence shell?
Atomic mass is determined by this.
Number of protons and neutrons
A very stable element with an atomic mass of 83.8 AMU.
Krypton
Formula for calcium fluoride.
CaF2
The formula for Barium chloride.
BaCl2
The special name given to a negatively charged ion.
Anion
What is the name of the 3 main types of elements on the periodic table?
metals, non-metals, metalloids
A metal that is liquid at room temperature.
Mercury
The staircase follows what group of elements down the periodic table?
metalloids
Formula for Scandium sulfide.
Sc2S3
What element is located at the 6th period and 2nd group?
Barium
The number of electrons in the valence shell of a chlorine ION.
8
A type of bond that forms between metals and non-metals.
What is an ionic bond?
The number of electrons found in an ion of oxygen.
10
The proper name for CaO.
The symbol for Zinc.
Zn
What is the first element in period 3?
Sodium
What is the name of the group 2 family?
alkaline earth metals
The majority of the elements on the periodic table are classified as this:
metals
Argon belongs to what specially named group?
noble gases
Which family (name, not number) is the most reactive metals family with one valence electron?
Alkali Metals
Group 17 has a special name called...
Halogens
How many electrons does a neutral atom of iodine have?
53
The type of bond found between two non-metals.
Covalent