Calculating the number of protons, neutrons, and electrons

What does "atomos" mean?

• easily divided
• unable to be divided
• really small
• sometimes divided

Tags

NGSS.MS-PS1-1

What particle resides in the nucleus and has no charge?

• Proton
• Neutron
• Electron
• Crouton

Tags

NGSS.HS-PS1-8

How did Rutherford describe the nucleus?

• Tiny
• Dense
• Positively Charged
• all of the above

Tags

NGSS.HS-PS1-8

In the current atomic theory, where are electrons likely to be found?

• Specific Orbits, like planets around a star
• In the nucleus
• In the electron cloud
• electrons are not part of the current atomic theory

When you add the number of protons and neutrons together, you are calculating...

• Atomic Number
• Atomic Mass
• Mass Number
• Pythagorean's Theorem

The average mass of all naturally occurring isotope is also known as ...

• Atomic Number
• Atomic Mass
• Mass Number
• Radioactivity

Tags

NGSS.HS-PS1-1

The number of protons in the nucleus of an atom is the ____________ ____________.

• Atomic Number
• Atomic Mass
• Mass Number
• 12

What is an element that has a different number of neutrons called?

• ion
• isotope
• carbon
• radioactive

Tags

NGSS.HS-PS1-8

What is a charged atom that has a different amount of protons and electrons called?

• ion
• isotope
• radioactive
• Frank

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

Tags

NGSS.MS-PS1-1