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Details of Elements⚛✍️
Chemical Formulas➕➖✖️➗☝️🤓
Properties of Water💧
100

What type of bond is between Magnesium and Oxygen?

Ionic

100

What element has the atomic number 18?

Argon

100

What is a cation?

An ion that has lost electrons

100

what does a coefficient tell us

3 atoms

100

What is cohesion?

The attraction of molecules for other molecules of the same kind

200

Is a bond between elements carbon and oxygen polar covalent or non-polar covalent?

polar covalent bond

200

What element has an atomic weight of 20.180?

Argon

200

What rule of an atom states that all atoms want to achieve a full outermost shell?

The octet rule
200

how many atoms does Magnesium have?

3

200

Oil and water's inability to mix is an example of what?

Hydrophobia

300

What type of bond forms between Oxygen and another Oxygen?

Non-polar covalent bond
300

What is the atomic number of the element Helium?

2

300
What 2 elements are the exceptions to the octet rule?

Hydrogen and Helium

300

How many molecules are in this formula?

3

300
  • These are all examples of what?

  • Charged/partially charged

  • Salts (ionic compounds)

  • Molecules with polar covalent bonds

  • Phosphate heads in cell membranes

Hydrophilic things

400

What type of bond is a bond between two water molecules?

Hydrogen bond

400

What element has an atomic symbol of Fe?

Iron

400

What type of element is Beryllium?

metal

400

How many oxygen atoms are in this formula?

8

400

A solution is a ______ mixture comprised of two or more substances

homogeneous  

500

What element is the bond and what type of bond is it?

ammonium; polyatomic

500

What element has a most common isotope of (blank)-16?

oxygen

500

What type of element is Neon?

Noble gas

500

what element is PO43−

Phospate

500

True or False: Water can dissolve polar molecules and ions but not non-polar

True

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