Unit 3 Test Review- Chemistry

How many valence electrons do the alkaline earth metals have?

What atomic theorist proposed the “plum pudding model” and discovered the ELECTRON?

What is the name of the positively charged particle found in the center of the atom?

Which atomic theorist shot positively charged particles at a sheet of gold foil?

Who developed the theory of matter (is the basis of modern chemistry)?

The gold foil experiment shows the deflection of + alpha particles because the nucleus is?

Order the following wavelengths in order from shortest wavelength to longest wavelength

What was discovered with the cathode ray tube?

Which has the highest ionization energy?

Niels Bohr’s model includes electrons in

Which equation would we use to solve for wavelength if given frequency?

Who first identified nucleus?

The number of waves that pass a given point in a given amount of time is known as the

What is the family name of group 17?

James Chadwick is credited with discovering this neutral subatomic particle.

Which wavelength has the highest energy?

What happens to the atomic radius as you go down a group?

What is NOT a property of a metal?

If you alter the number of neutrons, what do you create?

Where are electrons located in an atom?

Who first identified neutrons?

Which of these is NOT part of Dalton's Theory?

This scientist used the gold foil experiment to show atoms have a nucleus.

What would cause an atom to not be neutral?

Rutherford’s Gold foil experiment is credited with discovering the _____________.

The distance from any point on a wave to an identical point on the next wave is called the

What is the trend for atomic radii?

Use the spectrum order the following colors in order from highest frequency to lowest frequency

This experiment showed that atoms have a hard, massive, positive, and really small nucleus.

This scientist arranged his periodic table by atomic number.

To calculate the number of neutrons for isotope Carbon - 14.. what would you subtract from 14?

Which of these metals is the most reactive? 

Which of these four elements has the largest atomic radius?

What is the atomic number?

Which of the following is NOT a property of a non-metal?

This ancient Greek is credited with the basic idea of the atom.

Which element has the largest atomic radius?

What type of notation is this called for the isotope Helium - 4

Who reintroduced the idea of the atom in the early 1800s and created the 1st atomic theory?

What are the elements in the middle of the periodic table called?