Atom and Periodic Table Basics

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

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

The first energy level can hold up to how many electrons?

• 8
• 4
• 2
• 5

Tags

NGSS.MS-PS1-1

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

The central region of an atom where neutrons and protons are located is called the

• nucleus

• electron cloud

• core

• center

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

Tags

NGSS.MS-PS1-1

Where are electrons of an atom found?

• Nucleus
• Electron Cloud
• Some are in the nucleus and some in the electron cloud.
• They are moving everywhere.

Tags

NGSS.MS-PS1-1

How many neutrons are in the atom "K"?

• 7

• 2

• 39

• 20