Covalent bonding is?
A chemical bond formed when electrons are shared between two atoms
eight
What is the symbol for a valence electrons?
Ve-
What are the 3 states of matter?
Solid, Liquid, Gas
When does water freeze in Celsius?
at 0 degrees
What type of bond forms when electrons are transferred from one atom to another?
Ionic bond
how many electrons make hydrogen and helium stable?
2 electrons
What is a valence electron?
An electron in the outermost subshell.
What state of matter is water at when its at room temperature?
Liquid
when does water freeze in fahrenheit?
32 degrees
What type of atoms make a covalent bond?
only non metals and metalloids
Why do we use lines and neat dots to show Ionic bonding?
Because it is a less messy way to do so
Which orbital has the least energy?
The S orbital
What happens when you go down the metric staircase?
You have to multiply by 10 everytime, or add 0's
Ionic bonds are between...
Metals and nonmetals
what is Ionic bonding
Bonding between atoms that involves one atom giving up electron to another in order to make them both stable.
What is the big green line?
The border between the s block and the f block
What is the type of plate boundary that causes new lithosphere to form?
Divergent boundary.
What happens as you go up the metric staircase?
What is the correct chemical name for the ionic compound: Na2O
Sodium Oxide
What is the difference in bonding methods?
Ionic bonding gives up an electron to another element, while covalent bonding has 2 elements share an element in order to make them stable.
1s2 2s2 2p3
What is the difference between exothermic and endothermic reactions?
Endothermic --> Energy flows into the system
Exothermic --> Energy flows out of the system
Why is Kelvin an absolute scale?
It ranges from the coldest temperature to the hottest one.