Balance this equation
P4 + O2 🡪 P4O10
P4 + 5O2 🡪 P4O10
does copper sulfate create an endothermic or exothermic reaction?
exothermic reaction
Is this Synthesis, Decomposition, Single Replacement, or Double Replacement?
AX + BY 🡪 AY + BX
Double Replacement
Name this compound
AlF3
Aluminum fluoride
What is the rarest naturally occurring element?
Astatine is purely radioactive, with its longest living isotope having a lifetime of 8.1 hours. According to estimations, there are less than one gram of astatine in the Earth's crust, making it the rarest naturally occurring element.
Balance this equation
Na + H2O 🡪 NaOH + H2
2Na + 2H₂O → 2NaOH + H₂
What kind of of bond does sodium chloride create?
Ionic Bond
Is this Synthesis, Decomposition, Single Replacement, or Double Replacement?
Na + Cl NaCl
synthesis
Name this compound
FeSO4
iron sulfate
How hot can lightning get when it strikes?
A lightning strike can reach a temperature of 54,000 F
Balance this equation
Ca + N2 🡪 Ca3N
3Ca + N2 → Ca3N2
Is this an endothermic or exothermic reaction?
N 2 + O 2 → Heat 2 NO
Endothermic
Is this Synthesis, Decomposition, Single Replacement, or Double Replacement?
Zn + CuSO4 → ZnSO4 + Cu
Single replacement
Name this solution
MgClO4
Magnesium perchlorate
What is the only letter not used on the periodic table?
J
Balance this equation
Al + CuCl2 🡪 AlCl3 + Cu
2Al + 3CuCl2 🡪 2AlCl3 + 3Cu
Is the process of freezing endothermic or exothermic
Exothermic
Is this Synthesis, Decomposition, Single Replacement, or Double Replacement?
2HgO → 2Hg + O2
Decomposition
What is the molecular formula for trinitrogen heptaoxide?
N3O8
How many eyes does a caterpillar have?
12 eyes
Write and balance this equation
iron + copper sulfate --> iron sulfate + copper
Fe + CuSO₄ → FeSO₄ + Cu
What kind of bond does this molecule have?
ammonia NH₃
Covalent bond
Is this Synthesis, Decomposition, Single Replacement, or Double Replacement?
Na2S + 2HCl → 2NaCl + H2S
Double Replacement
What is the name of this compound?
C4O6
Dioxane tetraketone
What is the only planet in our solar system that spins clockwise?
Venus