Amplify chemical reactions chp 1

In a chemical reaction, no new atoms are created, and no atoms are _________________.

• Destroyed

• Created

Tags

CCSS.RI.6.3

CCSS.RI.6.5

CCSS.RI.7.3

CCSS.RI.7.5

CCSS.RI.8.5

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

All matter is made of ______.

• energy

• atoms

• electrons

• compounds

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

• nucleus

• electron cloud

• core

• center

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 

An atoms overall charge is 

• positive 
• depends on its mood 
• neutral 
• negative 

Tags

NGSS.MS-PS2-3

What is the atomic number for an element with three protons?

• 2
• 1
• 3
• 6

An atom's mass number equals the number of...

• protons plus the number of electrons
• protons plus the number of neutrons
• protons
• neutrons

Which statement best describes an electron?

• Smaller mass than a proton and a negative charge
• Smaller mass than a proton and a positive charge
• Greater mass than a proton and a negative charge
• Greater mass than a proton and a positive charge