Elements
What is the atomic number for Fe
26
Is H2O a compound or mixture?
Compound because its chemically bonded.
How many valence electrons do the elements in Group 1 have?
1
Is sodium chloride ionic or covalent?
ionic
What company makes the stools you are sitting on?
Jasper Group
What is the chemical symbol for Lead
Pb
Is carbon dioxide is a compound or mixture?
compound
How many valence electrons does Gallium have?
3
Is nitrate (NO3) ionic or covalent?
covalent
What's written under the middle desk?
"Answer Key"
What is the atomic mass for Mercury (round)
201
Is soil a compound or mixture?
Mixture (physical)
What family is Polonium in?
Post Transition Metal
What types of elements are found in covalent bonds?
two non-metals
Covalent bonds are formed by the ____________ of electrons?
How many electrons does a Rhodium atom have?
45
Are sugar and salt examples of a mixture or compound?
compound!
What group and family are the most stable?
Group 18 , noble gases
transfer (give/take)
Name a synonym for stable (8 valence electrons in outer shell)
"Happy" , Inert , Full
How many neutrons does Arsenic have?
75 - 33 = 42
Is Silver Nitrate a compound or mixture?
compound
What is the largest family?
transition metals
Is silver nitrate ionic or covalent?
Both! Silver makes is ionic and Nitrate makes it covalent
In our lab from yesterday, what two new substance formed?
Copper Nitrate and Silver