Periodic Table 1
Name this element: Cu
copper
T/F: Protons + Neutrons = Atomic Mass; If false fix the statement.
True
Name this element: K
Potassium
What is the mass of fluorine (F)?
19 amu
This noble gas in period 2 is named
What is Neon?
How many valence electrons do the elements in group 1 have?
1
Hg
Mercury
Oxidation number of beryllium (Be).
+2
Atomic number 34 is what element?
What is selenium (Se)?
What element is in group 2, period 2?
Beryllium (Be)
The atomic number for Kr.
What is 36?
What are Group 2 elements called?
Alkaline Earth Metals
How many protons does cobalt (Co) have?
27
The vertical columns of the periodic table are called
groups/families
This group of metals are the most reactive
Group 1; Alkali metals
T/F: Hydrogen is a metal. If false, fix the statement.
False
What is the oxidation number of arsenic (As)?
-3
What is the atomic number of an element that is located in period 5 and group 6?
What is 42?
What element is in group 15, period 3?
Phosphorus (P)
The oxidation number of the elements in group 17
-1
This class of elements have properties of both metals and nonmetals.
Metalloids
Noble Gases
When an atom has a neutral charge, then it has the same number of ______ and _______.
What is protons and electrons?
Which group or family is the most stable?
Group 18; Noble Gases
A row on the periodic table is called ______.
What is period?