WorksheetsAdv. Bio U1L1 Quiz Review
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
When is an ionic bond formed?
a)
when electrons are shared
b)
when protons are shared
c)
when oppositely charged atoms gain or lose electrons
d)
when oppositely charged atoms gain or lose a proton
2.
What makes a chemical reaction?
a)
matter is conserved
b)
breaking and forming of chemical bonds
c)
when products form reactants
d)
when you do a lab
3.
What are the smallest basic units of matter?
a)
molecules
b)
atoms
c)
elements
d)
9th graders
4.
Atoms that share electrons are
a)
in a covalent bond
b)
in an ionic bond
c)
are usually salts
d)
always metals
5.
What are the reactants in this chemical equation?
a)
CH4 and 2O2
b)
carbon and oxygen
c)
CO2 and 2 H2O
d)
water and methane
6.
What are the products in this chemical reaction?
a)
calcium and oxygen
b)
Ca and CaO
c)
2Ca and O2
d)
2CaO
7.
Which is NOT one of the four elements that make up over 90% of the human body
a)
Carbon
b)
Nitrogen
c)
Chlorine
d)
Oxygen
8.
Which of the following is NOT true of atoms?
a)
They are composed of molecules.
b)
They can combine with other atoms.
c)
They make up elements
d)
They are extremely small
9.
A negatively charged particle moving around the nucleus of an atom
a)
neutron
b)
proton
c)
electron
d)
ion
10.
What particle is found in the nucleus and has no charge?
a)
electron
b)
neutron
c)
proton
d)
atom
11.
Two or more atoms combined
a)
Molecule
b)
Compound
c)
Isotope
d)
Ion
12.
Two or more different atoms combined
a)
Molecule
b)
Compound
c)
Isotope
d)
Ion
13.
Bond created by electrical attraction between atoms (+ and -)
a)
Ionic bond
b)
Covalent bond
c)
Hydrogen bond
d)
van der Waals
14.
A charged atoms (caused by gain or loss of electrons)
a)
Ion
b)
molecule
c)
element
d)
compound
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