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Chemistry Vocab
Test Description: Chemistry vocab
Instructions: Answer all questions to get your test result.
1) Hypothesis
A
formula
B
metal
C
educated guess
D
product
2) Atom
A
compound
B
basic unit of matter
C
proton
D
DNA
3) Element
A
neutron
B
compounds
C
one type of atom
D
nonmetal
4) Protons
A
electrically charged, in the nucleus, mass of 0
B
positively charged, in the nucleus, mass of 1
C
neutrally charged, in the nucleus, mass of 1
D
positively charged, in the orbitals, mass of 1
5) Groups
A
horizontal columns of elements with similar chemical properties
B
horizontal columns of elements with different chemical properties
C
vertical columns of elements with different chemical properties
D
vertical columns of elements with similar chemical properties
6) Electrons
A
negatively charged, found in orbitals, mass of ~0
B
positively charged, found in orbitals, mass of ~0
C
negatively charged, found in the nucleus, mass of 1
D
positively charged, found in nucleus, mass of 1
7) Most reactive metals
A
halogens
B
alkali
C
transition
D
alkaline earth
8) Least reactive group
A
alkali earth
B
noble gases
C
alkali
D
halogens
9) Most reactive non metals
A
alkali
B
Halogens
C
noble gases
D
Alkali Earth
10) Mixture
A
two or more substances physically combined
B
two or more substances chemically combined
C
one substance with the same chemical properties
D
compound made of two atoms
11) Compounds
A
electrons orbiting the nucleus
B
an element
C
two or more different atoms chemically combined
D
two or more atoms physically combined
12) Physical change
A
creates a new product; cannot be reversed
B
permanent hair dye
C
rusting of metal
D
changes shape or state
13) Chemical Change
A
changes shape or state
B
freezing ice
C
tearing paper
D
creates a new product that cannot be reversed
14) Law of Conservation of Matter
A
matter can be created but not destroyed
B
matter cannot be created but can be destroyed
C
matter cannot be created or destroyed
D
matter can be created and destroyed
15) Metalloids
A
having only properties of non metals
B
elements that have properties of both metals and non metals
C
having properties of gas
D
having only properties of metals
*select an answer for all questions
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