Atom -2

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

• 8

• 4

• 2

• 5

Tags

NGSS.MS-PS1-1

What is the atomic mass of "F"

• 9

• 18

• 17

• 19

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 

Which of the following is a negatively charged subatomic particle?

• Electron

• Proton

• Neutron

• Quark

The particles that are found in the nucleus of an atom are

• neutrons and electrons

• electrons only

• protons and neutrons

• protons and electrons

Tags

NGSS.HS-PS1-8

The atomic number of an elements is the total number of which particles in the nucleus?

• neutrons

• protons

• electrons

• protons and electrons

electrons have this type of charge?

• negative

• positive

• neutral

Tags

NGSS.MS-PS2-3

an atom with atomic number 6 would have how many protons 

• 6

• 12

• 3

• cannot be determined 

Tags

NGSS.MS-PS1-1