You may be able to make use of one or an ext of the complying with wrong-answer feedback responses together you edit or create chemical formula or expression answers in the basic Editor.

If a submission consists of a layout with one empty input field, give the unpenalized response: "There is an error in her submission. Make sure you have gone into a worth or symbol in every formatting box."

Example: A fraction in i beg your pardon the numerator or denominator is empty or a stack sub/superscript in which either the super or subscript is blank.

You are watching: Use subscripts to represent the number of each type of atom or ion in a molecule

 

If a entry would it is in correct except that text the should appear in a subscript instead appears as continuous text, give the unpenalized response: "Use subscripts to stand for the variety of each form of atom or ion in a molecule."

Example: start "C2H40" instead of

*

 

If a entry would be correct other than that a superscript/subscript pair shows up where a stacked super/subscript should show up or vice versa, offer the unpenalized response: "Check your placement of subscripts and superscripts."

Example: start

*
instead of
*

 

If a submission would be correct other than that a superscript that the form "+#" or "-#" in the submission shows up as "#+" or "#-" in the exactly answer, give the unpenalized response: "Express charges together <#+>, not <+#>." with the bracketed text replaced as proper to the specific submission/answer pair.

 

Similarly, if the submission consists of a superscript of the type "1+", "+1" or "1-", "-1" where the exactly answer has simply "+" or "-", provide the unpenalized response: "Express solitary charges together <+>, no <1+>" through the bracketed text replaced as proper to the details submission/answer pair.

 

If a submission would it is in correct other than for having actually an incorrect stimulate of facets in one or an ext compounds, provide the penalized response: "Check that you have actually the suitable order because that the aspect symbols in her answer."

 

If a submission consists of a minus sign in between two reagents or products, provide the response: "Minus signs are no permitted between reagents or products in chemistry formulas." Note: minus signs in a subscript or exponent room permitted.

 

If a superscript and also subscripted number is detected prefixed to one element, yet the two room not stacked, offer the unpenalized response: "Check her placement the subscripts and also superscripts. Use the Super/Subscript switch for isotopes."

 

When stacked super/sub manuscript is provided for phases or once a step is placed prior to an ion charge, provide the unpenalized solution "Check her placement the subscripts and also superscripts. Place phases at the end of a chemistry formula."

Example:

*
and also
*

 

If a submission would certainly be correct were instances not significant, provide the response: "Check the capitalization that the chemical symbols in her answer." Example: user submits co2 as soon as the correct answer is CO2.

 

If the entry is a reaction and also the reagents/products room correct but the coefficients are not in the correct ratio, give the penalized response: "Your price is no a well balanced chemical equation".

Example: user submits

*
as soon as the correct answer is
*
.

 

If the entry is a reaction, the reagents/products are correct, and also the coefficients room in the correct ratio yet not equal to the coefficients in the coded answer, give the penalized response: "Check the coefficients in her chemical equation."

Examples:

Student submits

*
when the correct answer is
*
.

Student submits

*
once the correct answer is
*
.

Student submits when the exactly answer is

*
.

Student submits

*
when the correct answer is
*
.

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If a student has a coefficient the 1 on any atom, ion, molecule, particle, offer the unpenalized response: "Coefficients of 1 room not allowed. To suggest a coefficient of 1, carry out not encompass a value."

Example: college student enters

*
when the correct answer is
*
.

 

If her coded answer consists of a phase because that one or an ext reagents/products and the submission does not encompass a phase because that the same reagent/product, offer the penalized response: "Check that you have properly identified all of the phases in your answer."

Example: college student submits once the correct answer is .

 

If the submission has a phase for one or much more reagents/products and also the coded answer does not incorporate a phase because that the same reagent/product, provide the unpenalized an answer "Please enter your answer without phases."

Example: college student submits once the exactly answer is

*
.

 

If a submission would be correct other than that the wrong state markers were offered on one or more compound, then offer the penalized response "Check that you have properly identified all of the phases in her answer." for example, student offers (s) whereby the correct answer has (aq).

 

If a submission contains unrecognized state markers that fall into among the category below, then give the unpenalized solution "Check the you have properly formatted every one of the phases in your answer."

Examples: Student offers (1) "one" instead of (l) "ell" to represent a fluid phase or uses a capital instead of lowercase state marker, e.g. (S) vs (s).

 

If the entry is a reaction, the reagents/products and also coefficients space correct, but the wrong form of reaction arrow is used, give the unpenalized solution "Check the reaction arrow in your chemical equation."

See also:

Chemical formula or expression (answer type) | add and edit wrong-answer feedback