Atom & Periodic Table Review

An atom of Zinc has 30 protons, 35 neutrons, and 30 electrons. What is it’s atomic number?

What is an atom’s nucleus made of?

Calcium has atomic number of 20. This tells us the number of __.

Which elements are mostly solid, located on the middle to left side of the periodic table, and are good conductors?

The charge of an atom is

Two different isotopes of an element have different

Atoms have no electric charge because they

Most elements are

A subatomic particle that has a negative charge is called a(n)

A selenium atom has an atomic mass of 79. Its atomic number is 34. How many neutrons does the selenium atom have?

What is the mass number of an element that has 4 protons, 4 electrons, and 5 neutrons?

The number of energy levels filled in an atom is determined by

Which of the following statements not true?

Each vertical column of the periodic table is

An atom of manganese has 25 protons, 29 neutrons, and 25 electrons. What is it’s mass number?

Iodine's atomic number is 53. This means that an iodine atom has

An element’s atomic number is equal to its number of

Which category of elements is mostly made up of gases, and are very poor conductors of heat & electricity?

An atom’s mass number equals the number of

The order of elements in the periodic table is based on

Carbon-12 and carbon-14 have a different number of what particle?

The three main groups of elements are metals, nonmetals, and