Final Review 2

The sum of the number of protons and the number of neutrons is called the _____

• atomic number
• mass number
• isotope number
• average weight

number of neutrons =  _____

• atomic number - mass number
• isotope number - atomic weight
• mass number - atomic weight
• mass number - atomic number

The middle of the atom, which contains protons and neutrons, is called _____

• the shell
• the nucleus
• the cell
• the control center

Tags

NGSS.HS-PS1-8

Which subatomic particle has a relative charge of +1?

• the proton
• the neutron
• the electron
• the photon

Tags

NGSS.HS-PS1-3

What is the Element's atomic mass?

• Fe
• 26
• 55.847
• Iron

Tags

NGSS.HS-PS1-7

How many neutrons does this element have?

• 30
• 26
• 55.847
• 56

Tags

NGSS.HS-PS1-8

How many protons does this element have?

• 74
• 183.84
• 184
• 110

Tags

NGSS.HS-PS1-1

What is this element's name?

• 74
• W
• Tungsten
• 183.84

Tags

NGSS.HS-PS1-1

Isotopes have different numbers of

• protons
• neutrons
• electron
• properties

Tags

NGSS.HS-PS1-8

Atoms of the same element must always have the same number of _________

• electrons
• neutrons
• isotopes
• protons