1) If 22 grams of reactants go into a chemical reaction. How much will be on the products? a) 22 grams b) 24 grams c) 23 grams d) 25 grams 2) It gives the number of atoms of each element. a) subscript b) just an arrow c) equals d) yield 3) What do you call the process in which a substance is changed into one or more new substance/s? a) Physical Change b) Activation Energy c) Chemical Reaction d) Chemical Equation 4) What do you call the numbers before the chemical formula or element symbol? a) Subscript b) Superscript c) Underscore d) Coefficient 5) Balance the equation N𝑎 + 𝐶𝑙2 → 𝑁𝑎𝐶l a) 2𝑁𝑎 + 𝐶𝑙2 → 2𝑁𝑎𝐶l b) 4𝑁𝑎 + 𝐶𝑙2 → 3𝑁𝑎𝐶𝑙 c) 2𝑁𝑎 + 𝐶𝑙2 → 3𝑁𝑎𝐶l d) 𝑁𝑎 + 𝐶𝑙2 → 2𝑁𝑎𝐶l

QUIZ

door
Afdrukken
Embedden

Scorebord

Visuele stijl

Opties

Template wisselen

Automatisch opgeslagen activiteit "" herstellen?