Physical Science 1st Semester Review

What subatomic particles can be found in regions called orbitals?

An atom of which of the following elements is unlikely to form a positive ion?

Valence electrons determine an atom's

How did Mendeleev arrange atoms in the periodic table?

Which of the following terms most accurately describes carbon dioxide?

Which science deals most with energy and forces?

During which of the following changes of state do atoms become more ordered?

Which of the following is NOT a potential sign of a chemical change?

A subatomic particle with a negative charge is a(n)

The first step in the scientific method is usually

Matter that flows to fit its container includes

If an atom has a mass of 11 u and contains 5 electrons, its atomic number must be

The heavier a particle, the _____ it moves.

How many neutrons does an atom of Iron-56 have in its nucleus?

The smallest unit of an element that maintains the properties of that element is a(n)

Which group of metals is the most reactive?

Which state of matter is the most common in the universe?

The majority of the elements in the periodic table are

Which of the following assumptions is NOT part of kinetic theory?

According to the modern model of the atom,

A mixture that is not the same throughout

Compounds and elements are

What does Li+ represent?

Which state of matter will hold its shape without a container?

Evaporation refers to a change of state from

Which branch of science is NOT included in physical science?

Which of the following statements about krypton is untrue?

What group of elements is the least reactive?

Which of the following is a mixture?

Which of Dalton's statements about the atom was proven false by Thomson?