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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
a pure substance
B
a compound
C
a mixture
D
an element
2) A substance that is all the same throughout is
A
a compound
B
an element
C
a mixture
D
a molecule
3) When an atom gains or loses electrons, it is called an
A
isotope
B
isoion
C
element
D
ion
4) The up and down columns on the periodic table are known as
A
Groups
B
Elements
C
Periods
D
Sections
5) What is the title of your favorite song about elements?
A
Element oh elements
B
We are elements
C
Elements Rock
D
Do you know the first 10 elements?
6) When drawing an atomic model of an element, what is drawn in the middle
A
neutrons and electrons
B
electrons only
C
protons and electrons
D
protons and neutrons
7) When drawing a dot model for elements, what do the dots represent?
A
the neutrons
B
all of the electrons
C
the protons
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
families
B
periods
C
sections
D
groups
10) When writing the atomic mass of an element, what is the correct label to use
A
AMUs
B
Milligrams
C
Centimeters
D
Grams
*select an answer for all questions
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