Basic reading Periodic Table

When two negative charges come together they...

• Repel
• Attract
• ignore each other

Tags

NGSS.MS-PS2-3

Each proton will attract one electron because...

• Protons are positive, electrons a negative
• protons are positive and electrons are positive
• both electrons and protons are negative
• neutrons have no charge so don't have any effect

Tags

NGSS.MS-PS2-5

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.MS-PS1-1

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

Tags

NGSS.MS-PS1-1

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

• negatrons 
• electrons 
• neutrons 
• protons 

Who atomic model said electrons orbit the atom like planets orbit the sun 

• Einstein
• Thomson 
• Bohr 
• Dalton 

An atoms overall charge is generally

• positive 
• depends on its mood 
• neutral 
• negative 

A section of the Periodic Table of Elements is provided. What is the chemical symbol for magnesium?

• 12
• Mg
• 24.31
• Magnesium