Bonds
pH
Atoms
Intro to Chem
Miscellaneous
100

The weakest type of bond?

Hydrogen Bond

100

What are the 3 classifications of a substance's pH?

Acid, Base, Neutral

100

What are the particles in an atom?

Proton, Neutron, Electron

100

What is an element?

Pure substance made up of only one type of atom

100

What is it called when the number of neutrons is changed?

Isotopes

200

Strongest type of bond?

Covalent Bonds

200

When your pH is less than 7 what is the classification?

Acid

200

Where are protons and neutrons located in an atom?

Nucleus

200

What is a compound?

Two or more elements chemically combinded

200

What are the Subatomic Interactions?

Opposite charges attract

Like charges repel

300

When an atom gains electrons it becomes more ____ charged.

When an atom loses electrons it becomes more ____ charged.

Negative

Positive

300

What does reading pH show us?

Proportion of hydrogen ions in a substances

300

Where are electrons located?

Orbital Cloud

300

What are the elements that makeup over 98% of all living matter?

Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur (CHNOPS)

300

What are Ions used for?

Used for communication between nervous and muscular system

400

How are Ionic bonds created?

Atom transfers electrons to another

400

What do bases have a high concentration of?

Hydroxide Ions

400

How are elements identified?

The number of protons one atom contains

400

What is the 2 step process for reading a chemical formula?

1. Count capital letters to determine how many elements there are

2. Read the subscript to determine how many atoms there are of that element

400

Define Subatomic Summary

The number of protons cannot be changed without changing the identity of an atom

500

A bond is created when neither atom has a stronger pull on the other electrons. Electrons are evenly dispersed.

Non-Polar Covalent Bond

500

What is the process called when water breaks apart into charged particles?

Ionization

500

What is the Octet Rule?

Atoms want 8 electrons in their outer shell

500

Why is Carbon so important?

1. Can make up to 4 bonds

2. Form bonds and compounds

3. Bond to itself

4. Can make single, double, and triple bonds

500

What clues hint that a chemical change/reaction has taken place?

1. Formation of gas/bubbles

2. Causes heat, light, odor

3. Color change

4. Solid is formed

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