Day 26: Review of all things

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

Tags

NGSS.MS-PS1-1

What does "1.00794" mean in this image?

• number of protons
• number of neutrons
• average number of protons and neutrons
• average number of valence electrons

Tags

NGSS.MS-PS1-1

Which two subatomic particles make up the nucleus of an atom?

• Protons and Electrons
• Neutrons and Electrons
• Electrons and Protons
• Protons and Neutrons

Tags

NGSS.MS-PS1-1

Where are the Electrons found in the structure of an atom?

• In the nucleus
• In spaces around the nucleus

Tags

NGSS.MS-PS1-1

Which subatomic particle has a negative (-) charge?

• Proton
• Electron
• Neutron

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

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.MS-PS1-1

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.MS-PS1-1

Cations are

• negative ions
• gained electrons
• positive ions
• inner shell electrons

A +2 ion will

• likely be a nonmetal
• add 2 electrons
• gain electrons
• subtract 2 electrons