Bonding Flashcards
What is the mass of a proton?
1
What is the mass of neutron?
1
Do electrons have a mass?
Yes but so small that it is also nothing
Which number on the periodic table is the mass number for an element?
The number on the top
What does the mass number of an element tell you about its atoms?
The mass of the proton and neutron
What is the name for a substance that contains two or more different elements chemically combined?
A compound
What is an isotope?
The same atomic form of the same element but they have different number of neutrons
True of False:
In ionic bonding, atoms lose or gain electrons
True
True or False:
Ions with opposite charges repel each other
False they attract each other
Using a periodic table how many electrons does magnesium need to lose to gain a full outer shell?
2
True or False
Carbon bonds in 2 directions
False it bonds in 4 directions
Define Covalent Bonding
Where atoms share electrons with each other so that they have full outer shells
What are names of the two covalent substances?
Simple Molecular and Giant Covalent
