Calculating Protons neutrons Electrons

What is a positive particle in an atom?

• Protons

• Neutrons

• Electrons

• nucleus

Tags

NGSS.MS-PS1-1

What is the neutral particle in an atom

• protons

• neutrons

• electrons

• nucleus

What is the negative particle in an atom?

• proton

• neutron

• electron

• nucleus

Tags

NGSS.MS-PS1-1

What particles are found in the nucleus?

• Protons

• Protons and electrons

• Protons and neutrons

• Electrons

Tags

NGSS.MS-PS1-1

What particles are found outside of the nucleus?

• Protons

• Protons and Electrons

• Protons and Neutrons

• Electrons

How do you calculate the number of protons in an element?

• Look at the atomic number-it is the same number

• look at the atomic mass-it is the same number

• Atomic mass-Atomic number

• Ugh, now we have to do math in science?!?

Tags

NGSS.MS-PS1-1

How do you calculate the number of electrons in an atom?

• Look at the atomic number-it is the same number

• Look at the atomic mass-it is the same number

• Atomic mass-Atomic number

• Oh geesh...really?

Tags

NGSS.MS-PS1-1

How do you calculate the number of neutrons?

• Look at the atomic number-it is the same number

• Look at the atomic mass-it is the same number

• atomic mass-atomic number

• Neutrons too?!? Oh good grief!

Beryllium has an atomic number of 4 and an atomic mass of 9. How many protons does it have?

• 4

• 5

• 9

• 13

Tags

NGSS.MS-PS1-1

Carbon has an atomic number of 6 and an atomic mass of 12. How many neutrons does it have?

• 6

• 12

• 18

• 5

Tags

NGSS.MS-PS1-1