Semester 1 Exam Review Part 1

Front

What happens as you move left to right on a row or period in the periodic table?

Back

The atomic number increases by 1.

Front

What is the atomic number of Nickel?

Back

28

Front

How do you calculate density?

Back

Density = Mass / Volume.

Front

What is the density of an object with a mass of 4g and a volume of 2cm³?

Back

2 g/cm³.

Front

What is the group name and number for Neon?

Back

Noble Gases 18 or 8A.

Front

What is the number of protons in an element with an atomic number of 7?

Back

7 protons.

Front

What is the definition of atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What are noble gases?

Back

Noble gases are a group of elements in Group 18 of the periodic table that are mostly unreactive.

Front

What is the formula for calculating the number of neutrons in an atom?

Back

Number of Neutrons = Atomic Mass - Atomic Number.

Front

What is the atomic mass of an element?

Back

The weighted average mass of an element's isotopes.