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

which atom has  4 neutrons?

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

Tags

NGSS.MS-PS1-1

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

What particle decides the identity of an atom/element?

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

How many electrons does a Copper atom have?

• 63
• 29
• 92
• 34

Tags

NGSS.MS-PS1-1

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 20
• 10
• 5
• 25

Tags

NGSS.MS-PS1-1

The negatively charged particles in an atom are: 

• protons
• neutrons
• electrons

The postively charged particles in an atom are: 

• protons
• electrons
• neutrons

What is the atomic number of the element shown? 

• 19
• 39
• 20

Tags

NGSS.HS-PS1-1