10-12-18 9 weeks review

Properties of an Neutron:

• No charge

• Negative

• Inside the Nucleus

• Outisde the Nucleus

• 1 amu

Properties of a proton

• Positive

• Negative

• Inside the Nucleus

• Outisde the Nucleus

• 1 amu

Properties of an electron:

• Positive

• Negative

• Inside the Nucleus

• Outisde the Nucleus

• less than 1 amu

• energy levels
• valence electrons
• protons
• neutrons

Tags

NGSS.HS-PS1-1

• energy levels
• valence electrons
• protons
• neutrons

Tags

NGSS.HS-PS1-1

What element is in Group 2, Period 4? 

• Ca (calcium) 
• Br (bromine) 
• Be (beryllium) 
• He (helium)

This element can be found in group 17 and period 4.

• Bromine
• Iodine
• Potassium
• Krypton

Group 2, Period 3

• Sodium
• Beryllium
• Magnesium
• Calcium

What element has 7 valence electrons and 2 shells?

• Beryllium
• Chlorine
• Magnesium
• Fluorine

Tags

NGSS.HS-PS1-1

Which of the elements are in group 1?

• Lithium

• Argon

• Carbon

• Hydrogen

• Sodium