Which of the three subatomic particles is the smallest?

Which two subatomic particles are located in the nucleus?

Iron’s Atomic Number is 26 and its Atomic Mass is 55.847. How many electrons can be found in an Iron atom?

Sodium’s Atomic Number is 11 and its Atomic Mass is 22.990. How many neutrons can be found in the nucleus of a Sodium atom?

Silver has 47 protons, 61 neutrons, and 47 electrons. What is the mass number of Silver?

A(n) ____________ is an atom of the same element that has the same number of protons but a different number of neutrons.

Because of their small size, scientists had a develop a special unit to measure their mass called a(n) __________.

This scientist placed the negatively charged particles outside the nucleus in definite orbits.

This scientist discovered the positively charged center of the atom which he called the nucleus.

This scientist proposed a “Plum Pudding” model of an atom where there was a positively charged mass with negatively charged particles scattered about that mass.

________ are the electrons found in the outermost energy level of an atom.

A(n) ________ is any even tinier particle that makes up the proton and neutron.

_______ is a property of a metal which means it can be hammered into flat or rolled into sheets.

_______ is a property of a metal which means it can be drawn into wire.

The area within the electron cloud where electrons are most likely to be found is a(n) _______________.

This scientist receives credit for creating the modern day periodic table which is organized according to atomic #.

Family #2 on the periodic table is also called ________.

Family #18 on the periodic table is also called ________.

The first of the two Inner Transition Metals rows that gets removed from the periodic table is called the _______.

Neutrons have a negative charge.

Atoms of the same element that have the same number of protons but a different number of neutrons are called isotopes.

The alkali metals are more reactive than the alkaline earth metals.

Which of the following statements about orbitals is incorrect?

Which one of the following is not the electronic configuration of an atom of a Noble gas?