Science SOL 5.4 Matter: Atoms, Molecules, Elements & Compounds

All matter is made of ____

• energy 

• atoms 

• electrons 

• compounds 

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

The central region of an atom where its neutrons and protons are located:  

• nucleus 

• electron cloud

• core 

• center 

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

• 6

• 12

• 3

• cannot be determined 

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

• negatrons 

• electrons 

• neutrons 

• protons 

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1

What is the atomic mass of Flourine?

• 9

• 18

• 18.9984

• 19

An atom's overall charge is ____

• positive 

• depends on its mood 

• neutral 

• negative 

What is the chemical symbol for the element hydrogen?

• H

• He

• h

• he