atomic mass / QTR 1 recap

Nitrogen has three occurring isotopes: Nitrogen-13, Nitrogen-14, Nitrogen-15. Which isotope is the most abundant?

• Nitrogen-13
• Nitrogen-14
• Nitrogen-15
• Based on the information given, it cannot be determined

Do the following atoms belong to the same element? Explain
       Aluminum-27
       An atom with 14 protons and 13 neutrons

• Yes because they have the same number of protons
• Yes because they have the same mass
• No because they have different number of protons
• No because they have different number of neutrons

Tags

NGSS.HS-PS1-7

Choose the particle that has no charge.

• nucleus
• neutron
• proton
• electron

Which particle has a positive charge?

• electron
• orbital
• proton
• neutron

This particle determines what element you have - the elements identity.

• electron
• proton
• neutron
• valence shell

Tags

NGSS.MS-PS1-1

What is the mass of a proton and a neutron?

• 1amu
• 2grams
• 13amu
• 10cm

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

Tags

NGSS.HS-PS1-8

What is the mass number and name of an element with 8 protons and 8 neutrons?

• 16 - Carbon
• 16 - Oxygen
• 24 - Oxygen
• 8 - Neon

Tags

NGSS.MS-PS1-1

The mass of one proton is equal to the mass of one...

• neutron
• electron

Tags

NGSS.HS-PS1-7

All of the mass of an atom comes from what location?

• nucleus
• electron cloud