Atoms and Isotopes

How many neutrons in C-14?

• 6
• 7
• 14
• 8

Tags

NGSS.HS-PS1-8

How many neutrons does uranium-235 have?

• 238
• 92
• 146
• 143

Tags

NGSS.MS-PS1-1

What do these isotopes of carbon all have in common?

• neutrons & mass number
• atomic number and neutrons
• atomic number and electrons
• protons, atomic number, and mass number

Tags

NGSS.MS-PS1-1

What quantities vary between isotopes of an element?

• protons, electrons, and atomic mass
• protons, electrons, and atomic number
• neutrons and electrons
• neutrons and atomic mass

Tags

NGSS.HS-PS1-8

What charge does a proton have?

• positive
• negative
• no charge
• neutral

What charge does an electron have?

• positive
• negative
• neutral
• no charge

Tags

NGSS.MS-PS2-3

Where are protons located in the atom?

• orbitals
• nucleus
• rings
• positive

Where are electrons located in the atom?

• Nucleus

• Electron orbits

• rings

• center

Where are neutrons located in the atom?

• shells/orbitals
• rings
• center
• nucleus

What is the atomic number for an element with three protons?

• 2
• 1
• 3
• 6