Unit 1 Sample Test

The group number tells us how many _________ there are in an element.

• groups
• valence electrons
• energy levels
• chemicals

Tags

NGSS.HS-PS1-1

The element Tellurium has the atomic mass of 127.60 and its atomic number is 52. How many neutrons are in the element Tellurium?

• 179.60
• 127.60
• 52
• 76

Tags

NGSS.MS-PS1-1

The largest amount of electrons the 3rd energy level can hold is?

• 18
• unlimited amount
• 2
• 8

The characteristics or properties of metals include

• shiny and solid
• ductile and malleable
• lose electrons
• all of the above

True or False - An energy level has to be full before moving on to the next energy level?

• true
• false

^{_{Is this a correct representation of the Bohr Model for Sodium (Na)?}}

• no
• yes

Tags

NGSS.MS-PS1-1

Which particle does not contribute mass to the atom?

• Proton
• Neutron
• Electron
• Nucleus

Tags

NGSS.HS-PS1-7

How do you calculate density?

• mass divided by volume
• volume divided by mass
• mass times volume
• very carefully

How do you measure the volume of an irregular solid?

• displacement method
• length x width x height
• mass divided by volume
• kick it

What is the volume of the battery?

• 17 cm³
• 5 cm³
• 22 cm³
• 24 ml