Chemical Formulas
Polarity
Bonding
Let's be Cohesive
These questions are hard!
100

The letters of a chemical symbol can come from these two languages.

What is Latin or English.

100

In general, a polar or ionic solute can only dissolve in this kind of solvent.

What is polar.

100

This is a chemical bond formed between oppositely charged ions.

What is an ionic bond.

100

This is the name of the phenomenon that allows water striders to walk on water.

What is surface tension.

100

Water that has ions like calcium and magnesium dissolved in it is called this.

What is hard water.

200

Atoms in molecules are linked together with these.

What are chemical bonds.

200

A non polar solvent can only dissolve in this kind of solvent.

What is non polar.

200

This is a chemical bond in which two atoms share one or more pairs of valence electrons.

What is a covalent bond.

200

This is the name of the phenomenon that occurs when individual molecules are so strongly attracted to each other that they tend to stay together, even when exposed to tension.

What is cohesion.

200

This device "exchanges" calcium and magnesium ions with sodium and potassium ions, so that the calcium and magnesium are not in our drinking water.

What is a water softener.

300

The subscripts in a chemical formula tell you this.

What is how many of each atom is present.

300

In a water molecule, the positive charge on one molecule is attracted to this kind of charge.

What is negative.

300

In the electron dot diagram, the dot represents this.

What is a valence electron.

300

This is the process that causes individual water molecules to be so strongly attracted to each other that they tend to stay together, even when subjected to an outside force.

What is hydrogen bonding.

300

Water is this type of molecule, which allows it to easily dissolve ionic compounds.

What is polar.

400

Magnesium hydroxide is a chemical often used in antacid tablets. It has one Magnesium (Mg) atom, 2 Oxygen (O) atoms, and 2 Hydrogen (H) atoms.  It's chemical formula is this.

What is MgO2H2

400

The name of the process that causes water molecules to be very close to one another is called this.

What is Hydrogen bonding.

400

When a positive ion and a negative ion are bonded together by their attraction, the ionic compound itself is __________.

What is neutral.

400

Water molecules are closer together when it is in this state, then when it is a solid.

What is liquid.

400

This rock is a big contributor to creating hard water.

What is limestone.

500

The chemical formula of Sodium Nitrate is NaNO3.  It has this many atoms.

What is 5.

500

Most molecules that are chemically similar to water are in this state of matter at room temperature.

What are gases.

500

When an atom gains electrons, so it has more electrons than it does protons, it becomes this.

What is an anion.

500

This is the type of attraction that occurs between unlike molecules, or molecules of different substances.

What is adhesion.

500

This happens when water that has calcium compounds in it, that come out of the solution when the water changes temperature.

What is scaling.