Atoms/Bonds/Water/Macromolecules/Reactions

What are the three parts of an atom?

• protons, nucleus, electrons

• protons, electrons, orbits

• neutrons, protons, electrons

• neutrons, protons, nucleus

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 is its 

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.MS-PS1-1

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

• negatrons 
• electrons 
• neutrons 
• protons 

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

• 2
• 1
• 3
• 6

A(an) __________ is a substance formed by combining 2 or more elements.

• isotope

• compound

• atom

• bond

Tags

NGSS.MS-PS1-1

What forms when an atom loses electrons?

• positive ion

• neutral ion

• negative ion

• neutral atom

What is an example of a solution?

• snow globe
• milk
• fog
• glass cleaner

What is an example of suspension?

• glass cleaner
• milk
• snow globe
• fog

A ______________ is a mixture in which particles can be seen and easily separated by settling or filtration.

• colloid
• solution
• saturated
• suspension