Acids & Bases
Parts of an Atom
Properties of Water
Basic Chem
Atomic Numbers
100

A basic solution has a high concentration of [   ] ions? 

[ OH- ]

100
The inner part of an atom that contains the proton and the neutron is called the __________.
Nucleus
100

In a water molecule, what is the charge on the oxygen atom?

Partially Negative

100

What is the chemical symbol for gold?

Au

100
Atomic numbers of an atom are the same as the number of what in an atom?
protons
200

True or false; a solution with a pH of 3 is 10 times more acidic than a pH of 4.

True

200
These particles have a positive charge and are found inside the nucleus.
proton
200

You are making crystal lite lemonade. To make this solution you need to mix the crystal lite packet with water. 

Which is the solvent? Which is the solute?

Solvent: Water

Solute: Crystal Lite Packet

200
The smallest pieces of matter are called __________.
atoms
200
Carbon's atomic number is _______.
6
300

In the lab you tested an unknown solution with pH paper and determined the pH to be 11. How would this solution be classified?

Basic

300
These particles are located within the nucleus, and have no charge.
Neutron
300

What type of bond forms between two water molecules? What type of bond forms within one water molecule?

Hydrogen Bond between two water molecules

Covalent Bond within one water molecule

300

What type of bond is created when one atom gives up or transfers an electron to another atom?

Ionic Bond

300
What element has a number of 56?
barium
400

Acids taste _________ whereas bases taste ________ 

Sour, Bitter & Chalky

400
These particles are negatively charge and are found outside the nucleus.
electrons
400

During the process of transpiration water is "towed" up from the soil into the top of the tree. What is this process called?

Capillary Action 

400

The total number of protons and neutrons in the nucleus of an atom is its ___________________. 

atomic mass

400
Why does hydrogen have an atomic number of 1?
because it only has one proton
500

A wasp sting is alkaline. To help neutralize the venom (and reduce the pain), you would want to place something _____ on the sting

Acidic

500

A substance that cannot be broken down into simpler substances by chemical means is called a(n):

Element

500

Define these two terms: 

Hydrophilic

Hydrophobic

Hydrophilic - loves water, dissolves well in water

Hydrophobic - repels water, does not dissolve in water 

500

In the Periodic Table, Elements are organized in horizontal periods and vertical groups. What does the group number tell us about all elements in that group?

They all have the same number of valence electrons

500

How many bonds does silicon like to form? 

4

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