Periodic Table (8.MS-PS1-1) Question Preview (ID: 58195)


8.MS-PS1-1. TEACHERS: click here for quick copy question ID numbers.

Which is the correct chemical symbol for carbon?
a) CA
b) c
c) C
d) Ca

What are the elements in the final column of the periodic table called?
a) alkali metals
b) metalloids
c) alkaline earth metals
d) noble gases

What are the columns on the periodic table called?
a) families
b) periods
c) towers
d) columns

What is special about the elements in the first column of the periodic table?
a) They are very stable
b) They are highly reactive
c) They are always found alone in nature
d) They are all man-made

Who is credited with designing the first periodic table?
a) Dmitri Mendeleev
b) Albert Einstein
c) Marie Curie
d) Charles Darwin

About how many elements are on the current periodic table?
a) about 530
b) about 250
c) about 120
d) about 15

Identify the INCORRECT statement
a) Elements are pure substances
b) Elements are basic
c) Elements have chemical formulas
d) Elements are made of atoms

What is the smallest piece of an element that still has the characteristics of that element?
a) molecule
b) atom
c) compound
d) chemical bond

Hydrochloric acid is made of hydrogen (H) and chlorine (Cl). How many atoms are in one molecule of HCl?
a) two
b) three
c) one
d) you cannot tell with the information given

How many atoms are needed to make the smallest molecules?
a) one
b) two
c) 10
d) hundreds

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