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8th Grade-Elements And The Periodic Table
Test Description: Answer these questions about elements, mixtures, molecules, etc.
Instructions: Answer all questions to get your test result.
1) H2O (Water) is an example of
A
an element
B
a pure substance
C
a mixture
D
a compound
2) A substance that is all the same throughout is
A
a molecule
B
an element
C
a compound
D
a mixture
3) When an atom gains or loses electrons, it is called an
A
isotope
B
ion
C
isoion
D
element
4) The up and down columns on the periodic table are known as
A
Sections
B
Periods
C
Groups
D
Elements
5) What is the title of your favorite song about elements?
A
Elements Rock
B
Element oh elements
C
We are elements
D
Do you know the first 10 elements?
6) When drawing an atomic model of an element, what is drawn in the middle
A
protons and electrons
B
protons and neutrons
C
neutrons and electrons
D
electrons only
7) When drawing a dot model for elements, what do the dots represent?
A
all of the electrons
B
the protons
C
the neutrons
D
the valence electrons (electrons in the outer shell)
8) What are the three particals of an atoms called?
A
protons, neutrons, electrons
B
electrons, protons, molecules
C
ions, neutrons, electrons
D
protons, electrons, isotops
9) The left and right rows on the Periodic Table are known as
A
groups
B
periods
C
families
D
sections
10) When writing the atomic mass of an element, what is the correct label to use
A
Grams
B
Centimeters
C
AMUs
D
Milligrams
*select an answer for all questions
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