Structure of Atom

the central region of an atom where most of the atom's mass can be found

• nucleus

• electron cloud

• core

• center

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

• negatrons 

• electrons 

• neutrons 

• protons 

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

• 8

• 4

• 2

• 5

Tags

NGSS.MS-PS1-1

What are the 3 subatomic particles that make-up the atom?

• protons, neutrons, and isotopes

• neutrons, isotopes, and electrons

• positives, negatives, and electrons

• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

all matter is made of what 

• energy 

• atoms 

• electrons 

• compounds 

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 

• positrons 

• neutrons 

• protons 

an atom with atomic number 6 would have how many protons 

• 6

• 12

• 3

• cannot be determined 

How many protons does this atom have?

• 2.5

• 6

• 5

• 10.811

Tags

NGSS.MS-PS1-1

Which particle has a negative charge?

• Protron

• Neutron

• Electron

• Neceus

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both electrons and protons in an atom.