Chemical Formulas - Coefficients Pt. 1

Which chemical formula below indicates that you have three molecules of water ( $H_2O$  )?

•  $3H_2O$  

•  $H_6O_3$  

•  $6HO$  

•  $H_2O$  

Tags

NGSS.MS-PS1-1

Which formulas below have coefficients of 4? Check all that apply.

• $4CO_2$

• $4CH_4$

• $4H_2O_2$

• $4Br_3$

Tags

NGSS.MS-PS1-5

Which chemical formula below matches the image shown here?

• $2H_2O$

• $H_4O_2$

• $4H2O$

• $2HO$

Tags

NGSS.MS-PS1-1

Which chemical formula below matches the image shown here?

• $2H_2O$

• $H_2O_2$

• $4H2O$

• $2HO$

Tags

NGSS.MS-PS1-1

Which chemical formulas indicate there are five molecules of a substance? Check all that apply.

• $5H_2O$

• $5H_2O_2$

• $5CH_4$

• $5HCl$

Which chemical formulas indicate that there are two molecules of the substance? Check all that apply.

• $2H_2O$

• $3H_2O$

• $2I_3$

• $2NaCl$

 $3H_2O$  

Which image below matches this chemical formula?

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Tags

NGSS.MS-PS1-1

Which image below could represent this formula?

  $2NaCl$  

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Tags

NGSS.MS-PS1-1

Which chemical formula below indicates that you have three molecules of sulfuric acid ( $H_2SO_4$  )?

•  $6H_2SO_4$  

•  $3H_2SO_4$  

•  $2H_2SO_4$  

•  $H_2SO_4$  

Which chemical formula below could represent the substance shown in this image?

• $CO_2$

• $3CO_2$

• $2CO_2$

• $4CO_2$

Tags

NGSS.MS-PS1-1