Introduction to Basic Chemistry_2

In the electron cloud model of the atom, what does the cloud represent?

• the limits of the electron location

• the probability of the electron location

• the average distance between the electron and the nucleus

• the minimum distance between the electron and the nucleus

What is the location of the electron?

• the free floating negatively charged electron cloud
• the free floating positively charged electron cloud
• the very dense positively charged electron orbital
• the positively charged very dense nucleus

What is the charge of the electron

• positive
• no charge
• negative
• neutral

In a stable atom, the atomic number is equal to...

• neutrons
• electrons
• atomic mass
• what is a stable atom?

Pull between the positive protons and the negative electrons is called the _______________________________

In a stable atom the amount of electrons is equal to the amount of

• neutrons

• protons

• atomic mass

• neutrons + protons

What is the charge of the electron

• positive
• no charge
• negative
• neutral

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

The accumulation of excess electric charge on an object is called

• Static electricity 
• Electric discharge
• Resistance
• Circuit 

Electric charges that are alike _______ each other.

• Attract
• Repel