SMCC_ChemistryMidterm_Review

During a fun science quiz, Kai, Anika, and Hannah were asked to identify the symbols for a metal, a non-metal, and a noble gas in that order. Can you help them out?

• Li, B, F

• Mg, Mn, O

• Na, S, Ar

• F, Cl, Br

Tags

NGSS.HS-PS1-1

Which one of the following elements is correctly matched with its symbol?

• Mn, magnesium

• Fl, fluorine

• K, potassium

• Mg, manganese

Mia and Priya are in a chemistry lab, trying to create a new ionic compound using aluminum (Al) and bromine (Br). Can you help them figure out the correct formula for the compound they should make?

• AlBr

• Al₃Br

• AlBr₂

• AlBr₃

Benjamin and Grace are having a friendly competition to see who can read the thermometer more accurately. How many significant digits can they find in the temperature shown on the thermometer?

• 1

• 2

• 3

• 4

What is the electron configuration of Potassium in long form?

• 1s²2s²2p⁶3s²3p⁶4s¹

• b) 1s²2s²2p⁶3s²3p⁶4s¹

• 1s²2s²2p⁶3s²3p⁶4p¹

• 1s²2s²2p⁶3s²3p⁴s²

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The valence electron(s) in copper (atomic number 29) occupy the ___ orbital.

• 3d

• 4s

• 3p

• 4p

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Imagine you're a tiny atom trying to find a cozy spot among larger atoms. What type of alloy do you form when you fit snugly into the spaces between these larger atoms? Join Michael, Priya, and Grace in this atomic adventure!

• Substitutional alloy

• Heterogenous alloy

• Interstitial alloy

• Homogeneous alloy

How many orbitals exist in the 4d subshell?

• 1

• 4

• 8

• 5

A volume of 362 ml converted to liters is:

• 36.2 L

• 3.62 L

• 0.362 L

• 0.00362 L

Which of the atoms below has 8 electrons in their Lewis Structure?

• He

• B

• C

• Be

Tags

NGSS.HS-PS1-1