Periodic Table 1
What is the first element in the periodic table?
Hydrogen (H)
Rubidium is a hard, silvery metal. True or False?
False (All alkali metals are soft.)
How many valence electrons are in carbon?
4
Which group does potassium belong to?
Alkali Metals
What the symbol for Oxygen
(O)
True or False: There are elements that have two uppercase letters as the element symbol?
False
How many valence electrons are in hydrogen?
1
Which group does hydrogen belong to?
Alkali Metals
What is the symbol for Gold?
(Au)
Mercury is a solid at room temperature. True or False?
False (Mercury is one of the only metals that takes the form of a liquid at room temperature.)
How many valence electrons are in helium
2
Which group does silicon belong to?
Metalloids
Which subatomic particle never changes?
Protons
Which of these is not an actual element on the periodic table?
Silicon, Chloride, Sodium and Nitrogen
Chloride
How many valence electrons are in magnesium
2
What group does beryllium belong to?
Alkaline earth metals
Which group has elements like Xe, Ar, He, and Rn
Noble Gases
Which of these is not an actual element on the periodic table?
Iron, Steel, Nickel and Copper
Steel
How many valence electrons does chlorine have
7
how many valence electrons does chlorine have
7