Physical Science Unit 5 Exam Review

What is the number of protons that the element in this image contain?

• 14

• 7

• 15

• 18

What is the atomic mass of this atom?

• 13

• 14

• 26.98

An atom with atomic number 6 would have how many protons?

• 6

• 12

• 3

• Cannot be determined 

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

• 10

• 20

• 30

What is the total number of protons, neutrons and electrons in a Palladium, Pd, atom that has a mass number of 106?

• 46 protons, 106 neutrons, 106 electrons

• 44 protons, 46 neutrons, 44 electrons

• 46 protons, 106 neutrons, 46 electrons

• 46 protons, 60 neutrons, 46 electrons

A neutral atom is best described as having....

• more protons than neutrons

• more electrons than protons

• an equal number of protons and electrons

• an equal number of protons and neutrons

In what section would Noble Gases be found?

• white on the upper right

• yellow on the left

• blue under the stair case

• red on the right

The horizontal rows on the periodic table are called

• groups

• families

• periods

• atomic numbers

Each vertical column on the periodic table is called a...

• group

• tower

• period

• crew

What determines an elements identity?

• electrons

• periodic table

• protons

• mass