Balancing chemical equations
A coefficient is.
What is a number placed before a chemical formula?
The type of symbiotic relationship between a buffalo and a tick.
Food webs are made up of.
What are primary and secondary consumers?
The variety of living things in an area.
A metallic bond is a.
What is a sea of delocalised electrons?
Chemical equations require these two parts.
What are products and reactants?
In mutual relationships both species.
What is benefit?
Wolves were removed from the Yellowstone national park ecosystem in the 1920's, what happened to the grass?
What is a decrease?
The ability to recover after a change in an ecosystem.
What is resilience?
The main aim of an ionic bond is to
What is to obtain a full valence shell?
Balance the following chemical equation (you may use paper to work it out): ZnS + O2 → ZnO + SO2
2ZnS + 3O2 → 2ZnO + 2SO2
The Emperor shrimp and nudibranch are examples of what type of symbiotic relationship.
What is a commensialistic relationship?
A food web is made up of
What is multiple food chains?
What is an interdependent relationship?
What are Ionic, Metallic and Co-valent
A chemical equation must start as.
What is an unbalanced chemical equation?
This type of symbiotic relationships is where species are fighting for resources in order to survive.
What is competition?
There can multiple of these in a food chain
What are consumers?
An ecosystem can completely change if there is.
A rapid increase or decrease of one species.
An ionic compound requires.
What are an anion and cation?
The word equation for a thermite reaction is.
What is Iron oxide + aluminum → Iron + aluminum oxide?
What are crabs?
It is an ideal meal for an alligator in an ecosystem.
What is a deer?
Two human impacts that negatively impact the biodiversity of an environment.
What are pollution and overfishing?
An electric attraction of an ion
What is static electricity?