atomic structure quiz

What do these isotopes of carbon all have in common?

• number of neutrons
• mass number
• atomic number
• average  mass

Tags

NGSS.MS-PS1-1

In the written symbol what does "A" represent?

• number of neutrons
• atomic number
• number of electrons 
• mass number

Isotopes are atoms of the same element that have the same number of __________ but different number of __________ . Therefore, isotopes of the same element have different masses. 

• protons, neutrons
• protons, electrons
• neutrons, protons
• electrons, protons

Tags

NGSS.HS-PS1-8

which atom has  4 neutrons?

• Li-6
• Li-7
• Li-8
• they have the same # of neutrons

Tags

NGSS.MS-PS1-1

What particle decides the identity of an atom/element?

• proton
• neutron
• electron
• All of the above.

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

Tags

NGSS.HS-PS1-1

What is the mass number of this atom?

• 1
• 3
• 4
• 7

Tags

NGSS.MS-PS1-1

How many electrons does a Copper atom have?

• 63
• 29
• 92
• 34

Tags

NGSS.HS-PS1-1

How many electrons does a Copper atom have?

• 63
• 29
• 92
• 34

?

• Beryllium
• Boron
• Barium
• Bromine

Tags

NGSS.HS-PS1-1