Fe (iron) is classified as a
representative metal
transition metal
non-metal
S (sulfur) is classified as a
Na (sodium) is classified as a
What is the charge of N (nitrogen) when it reacts and becomes an ion?
+1
+2
+3
-3
-2
What is the charge of Be (beryllium) when it reacts and becomes an ion?
-1
What is the charge of Al (aluminum) when it reacts and becomes an ion?
How many valence electrons are in a neutral atom of N (nitrogen)?
1
2
3
4
5
How many valence electrons are in a neutral atom of Li (lithium)?
How many valence electrons are in a neutral atom of B (boron)?
Which of the following is true during a reaction?
All metals gain electrons and become negative ions
All non-metals loss electrons and become positive ions
All metals loss electrons and become positive ions
All non-metals gain electrons and become positive ions
When drawing Lewis Dot Structures, the dots represent
protons
valence electrons
neutrons
energy
What would be the correct formula if Na and O formed an ionic compound? Draw a Lewis Dot Structure to help
NaO
Na2O
NaO2
None of the above
What would be the correct formula if Mg and Br formed an ionic compound? Draw a Lewis Dot Structure to help
MgBr
Mg2Br
MgBr2
What would be the correct formula if Ca and O formed an ionic compound? Draw a Lewis Dot Structure to help
CaO
Ca2O2
Ca2O
What would be the correct formula if Sr and Ne formed an ionic compound? Draw a Lewis Dot Structure to help
SrNe
SrNe2
Sr8Ne2
What is the electron configuration of an O^-2 ion (oxygen minus 2 ion)
1s2 2s2 2p4
1s2 2s2 2p2
1s2 2s2 2p6
What is the electron configuration for the Na^+1 ion (sodium plus 1 ion)
1s2 2s2 2p6 3s1
1s2 2s2 2p6 3s2
What is the electron configuration of an Cl^-1 ion (chlorine minus one ion)
1s2 2s2 2p6 3s2 3p5
1s2 2s2 2p6 3s2 3p6