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WorksheetsChemistry in Biology
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Which defines and atom?
a)
Building Block of energy
b)
Building Block of matter
c)
charged particle
d)
smallest particle
2.
A charged atom that has lost or gained electrons is called a(n)_________
a)
Acid
b)
catalyst
c)
ion
d)
isotope
3.
an organic compound is a compound that contains________
a)
carbon
b)
hydrogen
c)
oxygen
d)
sodium
4.
A bond that is formed when electrons are shared.
a)
Carbon-14
b)
Covalent
c)
Ionic
d)
James
5.
A bond that is formed between charged ions
a)
Carbon-14
b)
Covalent
c)
Ionic
d)
James
6.
radioactive isotope of carbon
a)
Carbon-14
b)
Covalent
c)
Ionic
d)
James
7.
A chemical reaction is a process by which atoms or groups of atoms in substances are___________
a)
dissolved in other substances
b)
ionized by the loss of protons
c)
mixed together with atoms in other substances
d)
reorganized into different substances
8.
Which is an example of a solute
a)
soil suspended in water
b)
sugar that is dissolved in water
c)
water that dissolves salt
d)
water with undissolved soil
9.
Which substance would be used a lot in a organic chemistry course.
a)
glucose
b)
oxygen
c)
sodium
d)
water
10.
Elements placed in the same period on the Periodic Table of elements because they___________
a)
form the same type of chemical bonds
b)
Form the same type of isotopes
c)
have the same chemical properties
d)
have the same number of electron energy levels
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