Chemistry test revision

What are the sub-atomic particles?

Protons, neutrons, and electrons

What charge are protons?

Positive charge

What charge are electrons?

Negative charge

What charge are neutrons?

Neutral/no charge

What makes up the atomic structure?

Nucleus and shells

What two sub-atomic particles will always have the same amount?

Protons and electrons

How do you find the number of neutrons?

Round atomic mass number and subtract the atomic number

What is the atomic symbol made up of?

Chemical symbol, atomic number, and atomic mass

What makes up the atomic mass?

Protons + neutrons

What is the atomic number equivalent to?

Proton or electron number

What is the atoms nucleus made up of?

Protons and neutrons

What are shells?

The rings around the neucleus that hold electrons

What are the characteristics of metals?

Shiny, conduct heat, conducts electricity

What are the characteristics of non-metals?

Lower melting point, not shiny, does not conduct electricity or heat

What are the characteristics of metalloids?

Shares both properties of metals and non-metals

Where are the metals located on the periodic table?

On the left and middle of the periodic table

Where are the non-metals located on the periodic table?

On the top right of the periodic table

Where are the metalloids located on the periodic table?

On the left slanting diagonal on the right side of the periodic table

How many electrons in the first shell, max?

2 electrons

How many electrons in the second shell, max?

8 electrons

How many electrons in the third shell, max?

8 electrons

What is the law of conservation?

Atoms aer not created nor destroyed in a chemical reaction

What are reactants?

The before equation of a chemical reaction

What are products?

The result of a chemical reaction

What is electron configuration?

The increase or decrease of electrons to make atoms more/less full