Properties of Water and Atoms review

Hydrogen bonding causes water to resist temperature change.

• High Specific Heat

• pH Test

• Proton

• Surface Tension

The positive portion of an atom.

• Neutron

• Electron

• Proton

• All the above.

The chemical formula of water.

• CH4

• OH-

• H3O

• H2O

Tags

NGSS.MS-PS1-1

Our paper clips were able to float in class because of:

• Adhesion

• Cohesion

• Surface Tension

• Magic

This part of the atom has a neutral charge.

• Electron

• Neutron

• Proton

• There is no such thing.

Oxygen has a special ability to pull electrons away from other atoms. Specifically, this occurs in water and causes partial charges to occur. What is this property called?

• "Nonpolarity"

• Electronegativity

• Polarity

• Gravity

When you pour salt into water and stir the solution, the water dissolves the salt. In this example water is an example of what? Salt is an example of what?

• Solution/Solute

• Liquid/Gas

• Solvent

• Solvent/Solute

The atomic nucleus has a positive charge.

• True

• False

What distinguishes one element from another?

• The number of electrons.

• The number of neutrons.

• The number of protons.

• The overall charge.

The pH scale runs from 0 - 14. What is the pH of water?

• 0

• 3

• 7

• 14