Lesson 4 Atoms and the Periodic table

Multiple Choice

__________ are negatively charged particles that are in the orbitals around the nucleus.

• protons

• nucleus

• neutrons

• electrons

Multiple Choice

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

Multiple Choice

The particles with no charge in an atom are the _______.

• electrons
• neutrons
• protons
• protons and neutrons

Multiple Choice

All matter is made of _________.

• energy 
• atoms 
• electrons 
• compounds 

Multiple Select

Which (3) of these are subatomic particles that form an atom? (choose 3)

• Protons

• Klingons

• Electrons

• Microns

• Neutrons

Multiple Choice

The number of protons in an atom is called the .....

• Mass

• Atomic Number

• Nucleus

• Orbital

Multiple Choice

What is the symbol for Krypton?

• Kr

• kr

• KR

• All of them are right.

Multiple Choice

How many protons does Oxygen (O) have?

• 24

• 16

• 15.999

• 8

Multiple Choice

How many electrons does Potassium (K) have?

• 19

• 39

• 20

• 58

Multiple Choice

How many neutrons does Sodium (Na) have?

• 11

• 23

• 12

• 22.98977

Multiple Choice

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

Multiple Choice

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

• 14

• 7

• 15

• 18

Multiple Choice

What determines the order of elements on today's periodic table?

• increasing atomic mass

• decreasing atomic mass

• increasing atomic number

• decreasing atomic number

Multiple Choice

Each column in the periodic table is called a _________ .

• period
• group
• cluster
• unit

Multiple Choice

How is the Periodic Table arranged?

• alphabetical order

• atomic number

• the year the element was discovered

• Albert Einstein decided how to arrange it.

Multiple Choice

What is located on the horizontal rows on the Periodic Table?

• families

• groups

• periods

Multiple Select

The chemical symbols of four different elements are listed below.

Cd

Cu

Br

P

Which of these elements indicate a nonmetal.

• Cd

• Cu

• Br

• P

Multiple Select

The chemical symbols of four different elements are listed below.

Cd

Cu

Br

P

Which of these elements indicate a metal.

• Cd

• P

• Br

• Cu