What type of bond is between Magnesium and Oxygen?
Ionic
What element has the atomic number 18?
Argon
What is a cation?
An ion that has lost electrons
what does a coefficient tell us
3 atoms
What is cohesion?
The attraction of molecules for other molecules of the same kind
Is a bond between elements carbon and oxygen polar covalent or non-polar covalent?
polar covalent bond
What element has an atomic weight of 20.180?
Argon
What rule of an atom states that all atoms want to achieve a full outermost shell?
how many atoms does Magnesium have?
3
Oil and water's inability to mix is an example of what?
Hydrophobia
What type of bond forms between Oxygen and another Oxygen?
What is the atomic number of the element Helium?
2
Hydrogen and Helium
How many molecules are in this formula?
3
These are all examples of what?
Charged/partially charged
Salts (ionic compounds)
Molecules with polar covalent bonds
Phosphate heads in cell membranes
Hydrophilic things
What type of bond is a bond between two water molecules?
Hydrogen bond
What element has an atomic symbol of Fe?
Iron
What type of element is Beryllium?
metal
How many oxygen atoms are in this formula?
8
A solution is a ______ mixture comprised of two or more substances
homogeneous
What element is the bond and what type of bond is it?
ammonium; polyatomic
What element has a most common isotope of (blank)-16?
oxygen
What type of element is Neon?
Noble gas
what element is PO43−
Phospate
True or False: Water can dissolve polar molecules and ions but not non-polar
True