6th Grade Q2 Review TEKS

How many different elements are in this chemical formula: C₂H₂ClK₃

• 6
• 8
• 2
• 4

Tags

NGSS.MS-PS1-1

Which of the following atomic symbols is written correctly?

• ee
• hE
• C
• CL

Tags

NGSS.MS-PS1-1

Which of the following is a pure substance?

• CO
• C0₂
• Co
• H₂O

Tags

NGSS.MS-PS1-1

Which of the following is a pure substance?

• O₂
• Al₂CO₅
• C₆H₁₂O₆
• SiO₂

Tags

NGSS.MS-PS1-1

Which of the following chemical formulas represents a compound? 

• C₃
• O₂
• CH₃CHO
• H₂

Tags

NGSS.MS-PS1-1

Can be found on the periodic table

• Element
• Compound
• MIxture

Tags

NGSS.5-PS1-3

If a metal is ___________ it can be drawn into a wire.

• magnetic
• ductile
• conductive
• metalloid

______________ describes the way a substance reflects light, or SHINES. 

• ductile
• brittle
• luster
• magnetic

Tags

NGSS.MS-PS4-2

Which is true of nonmetals?

• they are on the left side of the periodic table
• they are found to the right of the stairstep line
• they are conductors of heat and electricity
  
• they are found along the stairstep line

Which of the following properties is true for metalloids?

• is a semiconductor with properties of both is a semiconductor with properties of both metals and nonmetals
• always conducts electricity and is shiny
• they are not elements
• never conducts electricity and is dull