WorksheetsMC-I - Test - 5
Total questions: 10
Worksheet time: 5mins
Which particles of an atom are located in the nucleus?
Electrons and protons
Electrons and neutrons
Protons and neutrons
Which of the following is a pure substance that can't be broken down into other substances?
Matter
Molecule
Compound
Element
Which element must be present in a compound in order for it to be considered organic?
Oxygen
Carbon
Hydrogen
Nitrogen
What do you have when 2 or more elements combine?
Compound
Molecule
Atom
Elements
What are chemical reactions?
When atoms are reorganized into different substances
When an atom splits
When atoms don't change into new substances
In an equation, what do you call the atoms or compounds on the left side of the arrow?
Products
Reactants
Mixture
material composed of two or more elements or compounds that are physically mixed together but not chemically combined
A substance that is dissolved in a solution.
A liquid substance capable of dissolving other substances
A specific reactant acted upon by an enzyme
Solution
A homogeneous mixture of two or more substances
A substance that is dissolved in a solution.
A liquid substance capable of dissolving other substances
A specific reactant acted upon by an enzyme
Solvent
A homogeneous mixture of two or more substances
A substance that is dissolved in a solution.
A liquid substance capable of dissolving other substances
A specific reactant acted upon by an enzyme
Substrate
A homogeneous mixture of two or more substances
A substance that is dissolved in a solution.
A liquid substance capable of dissolving other substances
A specific reactant acted upon by an enzyme
