What group is the Boron located?
Group 13 or Group 3A
The three classes of elements are these.
What are metals, nonmetals and metalloids?
Which element has 18 Protons?
What is Argon?
Al
What is Aluminum?
Carbon
What is C?
This group and type of metal on the periodic table include magnesium, calcium, and beryllium.
What is alkaline earth metals
The very reactive elements in group 1 are known as this.
What are alkali metals?
The Atomic mass minus the Atomic number =
The number of neutrons of an atom?
Li
What is Lithium?
What is O ?
The vertical columns on the periodic table.
What are groups / families?
The name of the group in the periodic table that includes magnesium, calcium, and barium is called?
What is alkaline earth metals
The electrons in the outer most shell are known as?
valence electrons?
Mg
What is Magnesium?
Florine
What is F?
The elements in group 17 are known as this.
What are the Halogens?
Argon, Helium and Neon are......
What are noble?
The atomic number is equal to this on a neutral atom
What is the number of protons and electrons?
Ar
What is Argon?
Silicon
What is Si?
The nonreactive elements in group 18 are known as this.
What are the noble gases?
Number of periods on the periodic table.
What is 7?
B
What is Boron?
Sulfur
What is S?
Elements in a group or column in the periodic table can be expected to have similar...... a) atomic masses b) valence electrons c) numbers of neutrons d) properties
What are B. Valence Electrons
This class of elements are good conductors of heat and electric current.
What are metals?
The number of protons in an atom of calcium.
What is 20?
Be
What is Beryllium?
Helium
What is He?
The electrons in the outer energy level
What are valence electrons?
Silicon, Boron, and Tellurium
What are metalloids?
The number of neutrons in an atom of neon with a mass number of 21
What is 11?
Na
What is Sodium?
Chlorine
What is Cl?
Hydrogen belongs to which family?
What is nonmetal?
These metals contain familiar metals such as gold, iron, and copper
Transition metals
How many valence electrons does a Helium atom have?
What is 2?
Ne
What is Neon?
Phosphorus