Unit 3: Atoms and The Periodic Table Review

Front

How are the elements in the periodic table arranged?

Back

Increasing Atomic Number

Front

How many neutrons are in a neutral atom of sodium that has 11 protons and a mass number of 23?

Back

12

Front

On which side of the periodic table are the metals found?

Back

Left side and the middle

Front

Which element will have the same chemical properties as Na? Options: Ca, Ar, Mg, Rb

Back

Rb

Front

What is the smallest particle of an element that can still be classified as an element? Options: Proton, Atom, Neutron, Electron

Back

Atom

Front

What is the atomic mass of Gold? Options: 200 amu, 197 amu, 196.97 amu, 79 amu

Back

196.97 amu

Front

What is an example of an element? Options: Sulfur, Carbon Dioxide, Water, Sodium Chloride

Back

Sulfur

Front

Noble gases have a full outer valence shell. This makes elements like Neon _____________.

Back

Stable/Non-Reactive

Front

Which of the following statements describes group 2 of the periodic table? Options: Stable non-metals with 1 valence electron, Stable Metals with 2 valence electrons, Highly reactive non-metals with 1 valence electron., Highly reactive metals with 2 valence electrons.

Back

Highly reactive metals with 2 valence electrons.

Front

What did Ernest Rutherford say about the atom?

Back

an atom's nucleus is small and has a positive charge.