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Name of element or compoundFormula of element or compound CoCarbon Iron Au KCl CS2Silicon

Sagot :

Answer:

• Formula: ,Co,, Name: ,Cobalt,.

,

• Formula: ,C,, Name: ,Carbon,.

,

• Formula: ,Fe,, Name:, Iron,.

,

• Formula: ,Au,, Name: ,Gold,.

,

• Formula: ,KCl,, Name: ,Potassium chloride,.

,

• Formula: ,CS2,, Name: ,Carbon disulfide,.

,

• Formula: ,Si,, Name: ,Silicon,.

Explanation:

• Co is an element.

,

• Carbon is an element.

,

• Iron is an element.

,

• Au is an element.

,

• KCl is a compound with K and Cl. The name has the positive part first (Potassium) and the second part has the name of the negative part (chloride).

,

• CS2 is a compound with C and 2 S. The name has the number of each element, carbon is 1 so it is just Carbon, and there are 2 sulfurs (disulfide).

,

• Silicon is an element.