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